C25
The fellow who runs CalcPro (www.calcpro.com) seems like an>
*extremely* nice chap. Your extremely nice chap has been
selling copies of my book on his site for more than two years
now with no attempt whatsoever to ask my permission or to pay
me any royalties. (See Find: Books-Graphing Calculators) I
tried contacting him and got a very nice speech about how
heıd do something about it and heıd get back to me real soon
now. That was more than a year ago. Unfortunately, since I
live in Australia, thereıs very little I can do about
it.====Thereıs a sample (only POKE) with sources written in C
athttp://privat.swol.de/ChristophGiesselink/dde48.zip. Here it
works likeexpected.One thing to the text below. The Link-Item
is ignored but it _must_ be a nonempty string! The Topic-Name
is Stack but I donıt know how you have toadjust the Service-
(or Server-) name to Emu48 in Basic.2nd you can transfer only
CF_HPOBJ clipboard objects, which must beregistered Ŝrst. The
CF_HPOBJ clipboard object is the HP stack objectwith leading
4 bytes containig the size of the stack object.The stuff just
behind the DdeClientTransaction() command is only fordetecting
the window handle of the Emu48 instance who received the data
tobring this instance into foreground after
sending.ChristophJohn OıFlaherty <quiasmox@yahoo.com> schrieb
im Newsbeitrag> Having noted that the text Ŝle distributed
with emu48 says that it> implements DDE for stack exchanges,
Iım trying to use that capability> with visual basic. Iıve
had no luck so far.> Visual basic has methods and properties
for text boxes and forms that> allow them to do DDE, but all
the examples show it working with excel,> and not with any
generic foreign application.> The following series of
statements elicits an error message in visual> basic:>
txtDDE.LinkMode = 0 Œstart from no link> txtDDE.LinkTopic =
Emu48 Œset up link> txtDDE.LinkItem = Œ does nothing>
txtDDE.LinkMode = 2 Πactually starts the link The error
message is no foreign application responded... When I change
line 2 of that code to> txtDDE.LinkTopic = Emu48|Stack,> it
executes without an error message. I think this indicates
that a connection has now been established, but> any other
thing I try to do gets a different error message:> foreign
application wonıt perform method or operation. Has anyone>
used the DDE feature in Emu48, or does anyone know the exact
syntax or> method to use? --> john====basic, because I found
out with DDESPY that all the text boxes useıCF_TEXTı
clipboard format, and changing that seems harder than
justswitching to c.--johnOn Mon, 24 Mar 2003 19:41:41 +0100,
Christoph Giesselink>Thereıs a sample (only POKE) with
sources written in C
at>http://privat.swol.de/ChristophGiesselink/dde48.zip. Here
it works like>expected.One thing to the text below. The
Link-Item is ignored but it _must_ be a non>empty string! The
Topic-Name is Stack but I donıt know how you have to>adjust
the Service- (or Server-) name to Emu48 in Basic.2nd you can
transfer only CF_HPOBJ clipboard objects, which must
be>registered Ŝrst. The CF_HPOBJ clipboard object is the HP
stack object>with leading 4 bytes containig the size of the
stack object.The stuff just behind the DdeClientTransaction()
command is only for>detecting the window handle of the Emu48
instance who received the data to>bring this instance into
foreground after sending.>ChristophJohn OıFlaherty
<quiasmox@yahoo.com> schrieb im Newsbeitrag> Having noted
that the text Ŝle distributed with emu48 says that it>
implements DDE for stack exchanges, Iım trying to use that
capability> with visual basic. Iıve had no luck so far.>
Visual basic has methods and properties for text boxes and
forms that> allow them to do DDE, but all the examples show
it working with excel,> and not with any generic foreign
application.> The following series of statements elicits an
error message in visual> basic:> txtDDE.LinkMode = 0 Œstart
from no link> txtDDE.LinkTopic = Emu48 Œset up link>
txtDDE.LinkItem = Œ does nothing> txtDDE.LinkMode = 2 Œ
actually starts the link> The error message is no foreign
application responded...> When I change line 2 of that code
to> txtDDE.LinkTopic = Emu48|Stack,> it executes without an
error message.> I think this indicates that a connection has
now been established, but> any other thing I try to do gets a
different error message:> foreign application wonıt perform
method or operation. Has anyone> used the DDE feature in
Emu48, or does anyone know the exact syntax ====> > I would
think there is this utility out there or it may> be even
built in. ARCHIVE is not enough.> > I would like to
dump/store the entire machine state of the HP49G. One
possible way would be to store a small program that sets ŝags
invariable STARTUP in HOME directory. Then, when you ARCHIVE,
this willbe a part of the archived data. When you RESTORE,
the HP49G reboots,and at reboot time the program STARTUP is
executed (if it exists). So,it can restore your ŝags, the
stack, or whatever else.I hope it helped a
bit,Nick.====Welcome Back.> > I would think there is this
utility out there or it may> be even built in. ARCHIVE is not
enough.> > I would like to dump/store the entire machine state
of the HP49G.> > Sincerely,> Kevin Waite> One possible way
would be to store a small program that sets ŝags in> variable
STARTUP in HOME directory. Then, when you ARCHIVE, this will>
be a part of the archived data. When you RESTORE, the HP49G
reboots,> and at reboot time the program STARTUP is executed
(if it exists). So,> it can restore your ŝags, the stack, or
whatever else. I hope it helped a bit,> Nick.====You might
want to try Archiv 1.02 available
athttp://www.hpcalc.org/hp49/utils/memory/archiv102.zip > I
would think there is this utility out there or it may> be
even built in. ARCHIVE is not enough.> > I would like to
dump/store the entire machine state of the HP49G.====Iıd like
to draw your attention to a new HP-16C emulator written in
Java byme and my pupils.Itıs available for online preview at
http://home.foni.net/~supalov/hp16c .Itıs implemented using
Swing, so that you may need to add Sunıs Java
plugin(http://java.sun.com/plugin) to get it up and
running.This is an ongoing effort, and thereıs a number of
limitations to thisemulator that we are well aware of, but
there may be some that weıve missed.Please bear with us: all
constructive feedback will be highly
appreciated.Alexander==== Iıd like to draw your attention to
a new HP-16C emulator written in Javaby> me and my pupils.
Itıs available for online preview at
http://home.foni.net/~supalov/hp16c .> Itıs implemented using
Swing, so that you may need to add Sunıs Javaplugin>
(http://java.sun.com/plugin) to get it up and running. This
is an ongoing effort, and thereıs a number of limitations to
this> emulator that we are well aware of, but there may be
some that weıvemissed.> Please bear with us: all constructive
feedback will be highly appreciated.====This was a total waste
of time! It didnıt work for me!! Iıd like to draw your
attention to a new HP-16C emulator written in Javaby> me and
my pupils. Itıs available for online preview at
http://home.foni.net/~supalov/hp16c .> Itıs implemented using
Swing, so that you may need to add Sunıs Javaplugin>
(http://java.sun.com/plugin) to get it up and running. This
is an ongoing effort, and thereıs a number of limitations to
this> emulator that we are well aware of, but there may be
some that weıvemissed.> Please bear with us: all constructive
feedback will be highly appreciated.> Alexander>> The fellow
who runs CalcPro (www.calcpro.com) seems like an >====
Thereıs a sample (only POKE) with sources written in C
athttp://privat.swol.de/ChristophGiesselink/dde48.zip. Here
it works likeexpected.One thing to the text below. The
Link-Item is ignored but it _must_ be a nonempty string! The
Topic-Name is Stack but I donıt know how you have toadjust
the Service- (or Server-) name to Emu48 in Basic.2nd you can
transfer only CF_HPOBJ clipboard objects, which must
beregistered Ŝrst. The CF_HPOBJ clipboard object is the HP
stack objectwith leading 4 bytes containig the size of the
stack object.The stuff just behind the DdeClientTransaction()
command is only fordetecting the window handle of the Emu48
instance who received the data tobring this instance into
foreground after sending.ChristophJohn OıFlaherty
<quiasmox@yahoo.com> schrieb im Newsbeitrag> Having noted
that the text Ŝle distributed with emu48 says that it>
implements DDE for stack exchanges, Iım trying to use that
capability> with visual basic. Iıve had no luck so far.>
Visual basic has methods and properties for text boxes and
forms that> allow them to do DDE, but all the examples show
it working with excel,> and not with any generic foreign
application.> The following series of statements elicits an
error message in visual> basic:> txtDDE.LinkMode = 0 Œstart
from no link> txtDDE.LinkTopic = Emu48 Œset up link>
txtDDE.LinkItem = Œ does nothing> txtDDE.LinkMode = 2 Œ
actually starts the link The error message is no foreign
application responded... When I change line 2 of that code
to> txtDDE.LinkTopic = Emu48|Stack,> it executes without an
error message. I think this indicates that a connection has
now been established, but> any other thing I try to do gets a
different error message:> foreign application wonıt perform
method or operation. Has anyone> used the DDE feature in
Emu48, or does anyone know the exact syntax or> method to
use? ====basic, because I found out with DDESPY that all the
text boxes useıCF_TEXTı clipboard format, and changing that
seems harder than justswitching to c.-- >Thereıs a sample
(only POKE) with sources written in C
at>http://privat.swol.de/ChristophGiesselink/dde48.zip. Here
it works like>expected.One thing to the text below. The
Link-Item is ignored but it _must_ be a non>empty string! The
Topic-Name is Stack but I donıt know how you have to>adjust
the Service- (or Server-) name to Emu48 in Basic.2nd you can
transfer only CF_HPOBJ clipboard objects, which must
be>registered Ŝrst. The CF_HPOBJ clipboard object is the HP
stack object>with leading 4 bytes containig the size of the
stack object.The stuff just behind the DdeClientTransaction()
command is only for>detecting the window handle of the Emu48
instance who received the data to>bring this instance into
foreground after sending.>ChristophJohn OıFlaherty
<quiasmox@yahoo.com> schrieb im Newsbeitrag> Having noted
that the text Ŝle distributed with emu48 says that it>
implements DDE for stack exchanges, Iım trying to use that
capability> with visual basic. Iıve had no luck so far.>
Visual basic has methods and properties for text boxes and
forms that> allow them to do DDE, but all the examples show
it working with excel,> and not with any generic foreign
application.> The following series of statements elicits an
error message in visual> basic:> txtDDE.LinkMode = 0 Œstart
from no link> txtDDE.LinkTopic = Emu48 Œset up link>
txtDDE.LinkItem = Œ does nothing> txtDDE.LinkMode = 2 Œ
actually starts the link The error message is no foreign
application responded... When I change line 2 of that code
to> txtDDE.LinkTopic = Emu48|Stack,> it executes without an
error message. I think this indicates that a connection has
now been established, but> any other thing I try to do gets a
different error message:> foreign application wonıt perform
method or operation. Has anyone> used the DDE feature in
Emu48, or does anyone know the exact syntax or> method to
use? ====I would think there is this utility out there or it
may> be even built in. ARCHIVE is not enough.I would like to
dump/store the entire machine state of the HP49G. One
possible way would be to store a small program that sets ŝags
invariable STARTUP in HOME directory. Then, when you ARCHIVE,
this willbe a part of the archived data. When you RESTORE,
the HP49G reboots,and at reboot time the program STARTUP is
executed (if it exists). So,it can restore your ŝags, the
stack, or whatever else.I hope it helped a
bit,Nick.====Welcome Back.> > I would think there is this
utility out there or it may> be even built in. ARCHIVE is not
enough. > I would like to dump/store the entire machine state
of the HP49G. > One possible way would be to store a small
program that sets ŝags in> variable STARTUP in HOME
directory. Then, when you ARCHIVE, this will> be a part of
the archived data. When you RESTORE, the HP49G reboots,> and
at reboot time the program STARTUP is executed (if it
exists). So,> it can restore your ŝags, the stack, or
whatever else. ====You might want to try Archiv 1.02
available
athttp://www.hpcalc.org/hp49/utils/memory/archiv102.zip I
would think there is this utility out there or it may> be
even built in. ARCHIVE is not enough.I would like to
dump/store the entire machine state of the HP49G. ====Iıd
like to draw your attention to a new HP-16C emulator written
in Java byme and my pupils.Itıs available for online preview
at http://home.foni.net/~supalov/hp16c .Itıs implemented
using Swing, so that you may need to add Sunıs Java
plugin(http://java.sun.com/plugin) to get it up and
running.This is an ongoing effort, and thereıs a number of
limitations to thisemulator that we are well aware of, but
there may be some that weıve missed.Please bear with us: all
constructive feedback will be highly appreciated. ==== Did
you push the ON button? In the manual it states that holding
down ON and then pressing F1 + F6,releasing them and then
releasing ON will reset memory.On my 49G this simply runs the
diagnostic sequence, but when it completesmemory is NOT
RESET.There appears to be nothing wrong with the calculator
that I can tell. Release F6 Ŝrst. If you release F1 Ŝrst,
then it goes into the ON&F6factory test, and youıll no doubt
have trouble getting through the Kbd2keyboard test. ====>and
youıll no doubt have trouble getting through the
Kbd2>keyboard test.YES... I did.... had to do a warm restart
to get out of that one.A few minutes after that experience,
fearing that something might still bewrong..... I did ON
followed by F5 (for continuous self-test ?)....but thatseemed
to HANG...hour glass on, nothing changing on the display and
would notturn off from the keyboard.... so I had to yank the
batteries out and wait abit.but normal operation resumed when
I re-installed batteries after a whileany ideas ????? does
ON+F5 really HANG..... or should I just have waited a
bitlonger ??? What am I SUPPOSED to be seeing when I do an
ON+F5 ????I would hate to think my precious purchase was
prone to problematic performance==== Always a good way to get
out of something that wonıt otherwise stop.Although I note
that the calculator seems to be fussy about accepting aON&F3
warmstart during certain parts of the tests. Continue to hold
thekeys down or try again if it doesnıt work.If ON&F3 fails,
then do a hardware reset by inserting a paper clip
(orwhatever) straight in through the small hole in the back.
Youıll feelsome spring resistance. Continue pushing until the
display goes out andthe calculator is off. Remove the paper
clip and turn the calculatorback on. It should do a
warmstart. This seems to be a good way to forcea warmstart
when things are so fouled up that it wonıt respond to
thekeyboard at all. And no, this doesnıt clear memory.Note
that in some cases, a library (almost all of which seem to
beself-attaching) will cause a problem, although I donıt
believe that theywould cause any problems with the
self-tests. Note that a memory clearwonıt remove any library
stored in ports 1 or 2; it clears HOME and port0 only. To
cause the calculator to warmstart without executing
anylibrary conŜguration routines and attaching the libraries,
hold downthe backspace key while it reboots. You may have to
have fast Ŝngers topress backspace in time while doing an
ON&F3 warmstart; I use ON&F4 toget to the Tests display, and
then hold down backspace and press the Qkey. If the libraries
attach anyway, try again and hold down thebackspace key
longer; at worst youıll get DROP Error: Too FewArguments if
backspace is still down when it Ŝnishes rebooting.You can use
the ATTACH command to attach the libraries to HOME one at
atime, and of course DETACH to detach one before trying the
next one. Idonıt know that we can rule out the possibility
that maybe a problemonly occurs when a particular combination
of libraries are attached, butit seems unlikely. Once youıve
Ŝgured out which library is causing aproblem, purge it.Note
that it seems wise to install and try out libraries one at a
time,to make it easier to troubleshoot if one of them should
cause a problem.For what itıs worth, the expected sequence
for Kbd2 seems to be Athrough L, CursorLeft, and Ŝnally ALPHA
(14 keys total). At this pointyou should see Kbd2 OK. It
doesnıt seem to me to be a very thoroughtest, but I suppose
that it tells the technician what he wants to know.If Kbd2 is
done as part of the ON&F6 test sequence, then it willcontinue
to the RS232 Tests; note that if you donıt bother to closethe
loop (perhaps easiest to accomplish at the 48 series adapter
or theDB9 connector on an attached cable) when instructed to,
then it willbrieŝy display HP49 Error instead of HP49 OK, but
in any case, itstarts the test all over again from the
beginning. You have to do awarmstart to get out of the test
sequence.> A few minutes after that experience, fearing that
something might still be> wrong..... I did ON followed by F5
(for continuous self-test ?)Yes.> ....but that> seemed to
HANG...hour glass on, nothing changing on the display and
would not> turn off from the keyboard....Unusual, but Iıve
had that happen; I believe after trying to do an
ON&F3warmstart to get out of a repeating test or maybe by
trying anotherON&F3 while it was already rebooting. I guess
that itıs a matter oftiming. It had a normal stack display
except that the hourglass was on,wouldnıt respond to the
keyboard, including ON&F3, but a hardware(paper clip) reset
worked.> so I had to yank the batteries out and wait a> bit.I
assume that you tried an ON&F3 warmstart? Note that a paper
clip resetwould seem to be appropriate when ON&F3 doesnıt
work.> but normal operation resumed when I re-installed
batteries after a whileGood news there. For what itıs worth,
Iıve never had to resort to theextreme of taking the
batteries out of any 48 series or 49G, althoughothers have
reported such a thing. I did once have to do that on a
28S(which doesnıt seem to have any hardware reset hole), and
it tookseveral hours without batteries to get it to Memory
Lost.> any ideas ????? does ON+F5 really HANG..... or should
I just have waited a bit> longer ??? What am I SUPPOSED to be
seeing when I do an ON+F5 ????Well, it does take a while, but
I donıt think that any of the pauses areas much as a second.
Letıs see, Write on ERAM OK and Block 0 (Boot)Locked, speed
tests, RAM Tests (these take a while, but progressindicators
are displayed), FROM Formatted, Fast ROM Tests, DISP,various
display patterns, HP49 OK, and then repeat from the
beginning.Iıve left out the details, but I believe that Iıve
outlined itaccurately. Of course, ON&F3 to get out of the
looping test.Youıre welcome, and try not to panic; it wonıt
help. Do the normaloperations seem to work?If you think that
you may still have a problem, then try the testsavailable at
the ON&F4 Tests display.Maybe try the ON&F5 looping test
sequence or the ON&F6 (now that we knowthe correct Kbd2
sequence) interactive looping test sequence again, butI think
that most of the tests that these do (plus FullROM)
areavailable from the ON&F4 Tests display.If it hangs, then
try an ON&F3 warmstart. If that fails, then try apaper clip
reset. I suppose that if that doesnıt work, removing
thebatteries until you get a Memory Clear is all thatıs
left.While your 49G is fairly new, you may not mind clearing
everything thatyou have stored on it, but if youıre like most
of us in this newsgroup,youıll soon accumulate a lot of things
that youıd rather not lose. Storea copy of your preferred ŝag
settings in HOME and archive the HOMEdirectory to port 2.
Port 0 is also particularly vulnerable; a MemoryClear wipes
it clean, and port 1 is also volatile, so everything in
itwould be lost if you left the calculator without batteries
for too long.A good place to keep a copy of everything
important is port 2. Sinceport 2 is non-volatile ŝash memory,
it should be fairly safe, and itıseasy enough to restore
everything from port 2. But port 2 is certainlynot
fool-proof. Besides user error, a malicious or presumably
even buggyprogram or library, conceivably even a bug in the
OS, could wipe itclean. And of course, port 2 wonıt help if
your calculator is defective,damaged, lost, or stolen, so
itıs best to keep a recent backup ofeverything important on
another device as well.> I would hate to think my precious
purchase was prone to problematic performanceWell, itıs not
perfect; see:http://bugs.hpcalc.org/and the various bug
reports from the newsgroup archive, which you cansearch
from:http://groups.google.com/advanced_group_search?group=
comp.sys.hp48Of course some reported bugs turn out to be user
errors ormisunderstandings, or the calculator working as
intended but not as theuser would like.Note that revision
1.19-6, available
at:http://www.epita.fr/~avenar_j/hp/49.htmlor somewhere
athttp://www.hpcalc.org/Ŝxes a good many problems, and
thereıs reason to hope that revision1.19-7 will Ŝx most of
the rest.Of course, the archive and hpcalc.org are also good
places to search foranswers to questions which have been
asked before.Note that most of the information about the 48
series (and even the 28series) also applies to the 49G.
Another good place to look is Andr.8eSchoorlıs Home
Page:http://www.engr.uvic.ca/~aschoorl/ ====>it had a normal
stack display except that the hourglass was on,>wouldnıt
respond to the keyboard,YES... when mine HUNG... it had
normal stack display also.>I assume that you tried an ON&F3
warmstart? Note that a paper clip reset>would seem to be
appropriate when ON&F3 doesnıt work.>NO.... I merely yanked
the batteries... I know it seems kind of violent...rather
extreme solution.... I guess I lost my head. when it wouldnıt
respond topower OFF :)>and it took>several hours without
batteries to get it to Memory LostThis happens in less than
10 minutes with my 49G >Do the normal>operations seem to
work?YES... calculator calculates normally... iıve heard it
said that once acalculator can add 2 and 2 and come up with
4.... then there canıt be aproblem..... but I dont know if
that applies to complex machines like the hp49g?>While your
49G is fairly new, you may not mind clearing everything
that>you have stored on it, but if youıre like most of us in
this newsgroup,>youıll soon accumulate a lot of things that
youıd rather not lose.Yes... I can well understand the pain
of loss... had that experience with acomputer hard
drive>Well, itıs not perfect;
see:>http://bugs.hpcalc.org/>and the various bug reportsI
know... I was just kidding.... but I own a48SX manufactured
in 1989.... and it is absolutely wonderful... none of
itısmany bugs has ever bitten me !I also now have a 48GX and
this 49Gby force of habit my Ŝrst instinct was to conŜgure
the 49 to emulate as muchas possible the other two.... and
then grumble over the differences... but..Having escaped that
mentality.... I am now getting used to the CAS... slowly.I use
the Pocket Professional cards with my SX and GX.... I
wonder...1. will the card software run on the 49 ???2. If so,
whatıs the best way to get it set-up on the 49.... I have
invested a lot in HP.... my 48SX really helped me understand
calculuswhen I was a student, even though it was not allowed
in examinations... itcame at just the right time.... even
though I had to get a bank loan to buy
http://www.hp.com/hpinfo/newsroom/press/2003/030324a.html
http://www.handheld.org/ > I was wondering if I entered an
equation like 1 -1/2 +1/4 into theEquation> Writer program of
my HP48GX if there would be a way to display the resultas> a
fraction (i.e. 3/4) My Casio can do this fairly easily and I
was> wondering if there is a way to do it with my 48GX.Did
you try ->Q.[L-SHIFT]-[9]-[NEXT]-[SOFTKEY].Roman -Adrian====I
tried it with an HP49G in exact mode.I typed 1 - 1/2 + 1/4
with the equation writer, then selected thewhole expression,
then pressed EVAL and got 3/4.I dont know for the 48GX. ====I
want to know if we can see grobs in the Hp40 in 8
colors???==== http://www.hp-sources.com/cours/xnviewconv/ I
want to know if we can see grobs in the Hp40 in 8
colors???>====I just read the Web page referenced by Lilian.
The author say, towardthe end of the page, that, so far, the
limit of its software is fourlevels of gray for the
HP40G.Jean (johnny) Lemire from Richelieu, Quebec,
Canada.====Iıve already seen that link...But I want mote than
4 colors.... The Hp49 can do that, so why not the Hp40...So
Iım waiting....====Please I need some help with this
program...I need the manual, because I need to use it mostly
for Bode-Routh with a 48 g+ ====Iıve tried examples from news
groups. There is no info in the usersguide. The advanced user
guide example does not work.Iım in Algebraic Mode.I hit left
shift calcLimit & seriesLimit(1/x, x=0)Returns a Bad Argument
type.What in the $%#@ am I doing wrong. I had this Ŝgured out
at one timebut I have been unable to Ŝnd the document that
showed me how to doit correctly.to upgrade but gives no info
on how to Ŝnd out if you must. ====to upgrade but gives no
info on how to Ŝnd out if you must.> Iım asumming you have a
HP49.just type VERSIONguillen====Bill
<bill_oconnor@yahoo.com> schrieb im Newsbeitrag> Iıve tried
examples from news groups. There is no info in the users>
guide. The advanced user guide example does not work. Iım in
Algebraic Mode.> I hit left shift calc> Limit & series>
Limit(1/x, x=0) Returns a Bad Argument type. What in the $%#@
am I doing wrong. I had this Ŝgured out at one time> but I
have been unable to Ŝnd the document that showed me how to
do> it correctly.Set your calc to exact mode and enable
rpn.ı1/XııX=0ıılimı // itıs in the calc & limit series ..
submenuIn algebra mode you enter:ıLIMIT(1/X,0) // note not
X=0should give you an proper answer as well.> to upgrade but
gives no info on how to Ŝnd out if you must.VERSION gives you
the current rom version.Your calc will notiŜy you if a new rom
should be available from HP fordownload;-)The most recent and
stable rom is the 1.19-6. If you have an older version,better
update to this version.Roman> Help Please.>====Iım in
Algebraic Mode.> I hit left shift calc> Limit & series>
Limit(1/x, x=0)Returns a Bad Argument type.In RPN mode
(sorry) type:ı1/xı [ENTER]ıX=0ı [ENTER] [Rshft][CALC] [LIMIT]
[LIMIT]====> Iıve tried examples from news groups. There is no
info in the users> guide. The advanced user guide example does
not work.Iım in Algebraic Mode.> I hit left shift calc> Limit
& series> Limit(1/x, x=0)Returns a Bad Argument type.What in
the $%#@ am I doing wrong.HP48 or 49?Iım using HP46 ROM
1.19-6.It works in RPN mode on the stack, but when I try it
in Algebraic orEQW it returns Error: non-algebraic in
expression. Interestinglyenough, this is the same error I get
when I try to solve equations inEQW (eg. (A=B)-A). This also
works Ŝne in the stack in RPN. I donıtknow what itıs doing to
get non-algebraic expressions. Maybe JYAwould know.--CS====On
the emulator it works for me in both RPN and that other
mode.Stan> Iıve tried examples from news groups. There is no
info in the users> guide. The advanced user guide example
does not work.> > Iım in Algebraic Mode.> I hit left shift
calc> Limit & series> Limit(1/x, x=0)> > Returns a Bad
Argument type.> > What in the $%#@ am I doing wrong.HP48 or
49?Iım using HP46 ROM 1.19-6.It works in RPN mode on the
stack, but when I try it in Algebraic or>EQW it returns
Error: non-algebraic in expression. Interestingly>enough,
this is the same error I get when I try to solve equations
in>EQW (eg. (A=B)-A). This also works Ŝne in the stack in
RPN. I donıt>know what itıs doing to get non-algebraic
expressions. Maybe JYA>would know.--CS==== > Limit(1/x, x=0)
You have tried the function name LIMITWith ROM 1.19-6 this
will change tolimclear ŝag -03, -105 (function to symb and
exact mode on)and recommanded isto clear ŝag -120 (silent
mode off, because other effectedŝag settings will be
corrected via message box and user interaction)Your can write
LIMIT(1/X,X=0) orLIMIT(1/X,0)ENTER should give you the
result(may be after several message boxes)When you are
sucsessfull, change your HP49to RPN for ever ;-) and
tryX[1/X]ı0+0ı lim [ENTER] [ENTER]I would appreaciate, when
somebody would givethe information about the ŝag, which need
to be switched, tohave allways signed inf. results. ==== This
web site is once again using too much bandwidth, and as a
result Ineed a volunteer to host another mirror of my site.
At present I get atleast 80-90GB of trafŜc a month, meaning a
mirror would need to be ableMySQL and are willing to allow me
to use on the order of 30GB ofbandwidth a month, please
contact me.http://www.hpcalc.org/contact.phpWould be great to
spare some bandwithHeiko====Would be great to spare some
bandwiths/spare/leech/; # :-)Iım trying to do something like
a HPcalc mirror in ee.teiath.gr but thelack of free time of
the mirrors.ee.teiath.gr admin keeps getting in theway. If it
were entirely up to me, the mirror would have been
operationalabout a month or so ago. > Hmm. Talk about it! I
am the administrator of Ŝ.tartu.ee network. And the idea has
been in the air for more than a year (?) already. Well, time
is setting the limits :( Eric needs to have full account in
server -> I have to set up separate server, because institute
policy does not allow strangers into our web server.
Furthermore I have to separate it from our network with
bridging Ŝrewall and all of it means one full day of work.
But I try to have some spare time. Anyway, one retired SS4
box with 80MHz RISC CPU + 64MB RAM and tens of old i486 boxes
are asking for action >:]Best wishes,Robert Tiismus.====Are
you still slightly annoyed when the CAS starts asking youto
change modes and delete your VX variable every timethat you
invoke a CAS command, even if the VX variablehas nothing to
do with the command you want to use(but perhaps some other
variable does, as with ISOL and SOLVE,for example, but the
CAS doesnıt even know it)?Okay, hereıs another version of
XC,a program which executes any other CAS command,but it
never asks you to change modes or delete variables.Example of
use:123 ŒXı STO ŒXı STOVX @ create ŒXı and set VX to ŒXı456
ŒYı STO @ create ŒYı and store somethingıX+Y=5ı ŒYı { SOLVE }
XC @ solve this equation for ŒYıBy the way, this version of XC
even cures the old problem thatif you had the same variable
created in more than one directoryin the heierarchy (e.g. in
both HOME and a current subdirectory),then the CAS command
would formerly fail anyway,even if you let the CAS delete
*one* of those variables for you,but now even this is
Ŝxed.Download and run the following to create the new XC
program(and another function VRENP which it calls in
turn),but BEFORE you even start downloading, please Ŝrst
doHOME 256 ATTACH, otherwise this may not compile
correctly.You need ROM version 1.19-5 or later to use the
RCLVX command;substitute #C4007h FLASHEVAL for each RCLVX if
your ROM is older.%%HP: T(3)F(.); @ include when downloading
using Kermit@ Did you do HOME 256 ATTACH even before you
started downloading?@ Œnameı -> (rename all occurrences of
variable in current
path)
D9D200036234133D9D20881309EB5079E6031BC39136251B502A170D9D2003
D53B7970A3B63CA620400960018A30B2130F046385230B2130B2130 +DUP
BYTES DROP #DB72h == { H-> } IFT ŒVRENPı STO@ if VRENP now
contains a string,@ then there was a data transfer (or manual
typing) error<< IF OVER TYPE 6. == THEN OVER ELSE RCLVX END ->
v. << v. VRENP RCLVX VRENP PUSH -120. SF IFERR EVAL THEN 1.
ELSE 0. END POP v. S~N NOT S~N VRENP RCLVX S~N NOT S~N VRENP
{ ERRN DOERR } IFT > > ŒXCı STO@ End of downloadable ŜleSince
the built-in calculator menus and equation writer, etc.,will
not be able to use this directly, you might wantto make
yourself a custom menu of your favoriteCAS commands, so that
each one will be executedvia this Ŝxer, when invoked from
your own custom menu, e.g.:{ { DERVX << { DERVX } XC > } {
INTVX << { INTVX } XC > } { SOLVE << { SOLVE } XC > } {
TEXPAND << { TEXPAND } XC > } { } @ Etc. STOVX} MENU @
becomes the CUSTOM menu in current (and lower) directoryIf
you ever Ŝnd any variable accidentally renamed,just put its
current weird-looking name on the stackand invoke VRENP to
restore the original name.SysRPL source for VRENP (58.5
bytes, #AAFEh checksum):( ID -> rename all occurrences in
current path ):: CK1&Dispatch SIX :: DUP ID>$ ΠxNOT EvalNoCK
$>ID BEGIN :: 2DUPSWAP @ NOTcsdrpŝs FPTR2 ^RENAME TRUE ;
NOT_UNTIL 2DROP ;;[r->] [OFF].====XC is a program which
executes CAS commandsso that they donıt delete
variables,donıt ask about mode changes,and donıt leave any
modes changed after executing.The use of PUSH and POP in the
version just postedmay noticeably slow it down, because those
commands keepappending and removing data saved in a permanent
list in CASDIR.Just use TEVAL to time the do nothing program
<< PUSH POP >to see how much time this may add in your own
calculator,which may vary according to how much is stored in
HOME.So hereıs a faster alternative for XC which avoids PUSH
and POP:<< IF OVER TYPE 6. == THEN OVER ELSE RCLVX END RCLF
PATH -> v. f. p. << v. VRENP RCLVX VRENP -120. SF IFERR EVAL
THEN 1. ELSE 0. END f. STOF p. EVAL v. S~N NOT S~N VRENP
RCLVX S~N NOT S~N VRENP { ERRN DOERR } IFT > > ŒXCı STONote
that it still uses VRENP, found in the preceding post.You are
also welcome to rewrite it all in SysRPLto make it faster
still, if youıre that much a Type A person :)The basic
reworking of this version over the version postedlast year is
that the actual deletion of variables, ordinarilyforced by the
CAS, is now replaced by the temporary hidingof the same
variables, via renaming.This renaming is done over the entire
heierarchy of directoriesin the path, matching the
coresponding search and formerlyforced deletion on the part
of the CAS.We also donıt now distinguish commands which use
variable namessupplied on the stack instead of VX, as is
actually most common;last yearıs version temporarily changed
VX to correspond with thepossibly different variable name on
the stack, whereas we nowrename both the VX variable *and*
any variable named on the stack(this doesnıt take much time,
because we use names that remainexactly the same length, so
that nothing moves in memory).The temporary names we use for
hiding variables (instead of purging)are actually the bitwise
complements of their original names,which have a very low
probability of matching any other existingvariable names (if
one did match, the Ŝnal result would only bea renamed
existing variable, which you could rename back yourself).This
scheme almost always works out Ŝne,giving us the desired
proper results, but with no more hassle. ====I have Ŝnished
my game Dope Wars, which is the adaptation of the PCgame with
the same name. Include a full manual (french &
englishversions), enjoy!You can donwload it on my website:
httt://www.noda.online.frHP48&49 versions will follow soon...
====> Why would some non engineer, scientist , or numbers geek
be interested in> rpn, the large stacks of storable values, or
integral approximation??> Theyıre not. What theyıre interested
in is why *we* are and why wespend so much time tapping at the
little box. Very difŜcult toexplain. Sometimes I think itıs
best to tell them itıs the latestGameboy and let it go at
that.Bill====approximation. Geeks are interested, and others
well, nope.Brian> Why would some non engineer, scientist , or
numbers geek be interestedin> rpn, the large stacks of
storable values, or integral approximation??> > Theyıre not.
What theyıre interested in is why *we* are and why we> spend
so much time tapping at the little box. Very difŜcult to>
explain. Sometimes I think itıs best to tell them itıs the
latest> Gameboy and let it go at that. Bill====As is well
known, the monotonic sequence [t_n] with t_n = (1+1/n)^n
isconvergent and lim [t_n] = e (Eulerıs number). The rational
numbers t_nare often used in basic Ŝnance mathematics. The
sequence [s_n] withs_n = 1 + 1/1! +...+ 1/n! has limes e as
well. [s_n] converges very fastand was used in Eulerıs famous
Introducio in Analysin InŜnitorum (1748)to compute e by hand
to 23 decimal places.CHALLENGE: Provide a fast (real time)
procedure to compute the decimals of the rational number t_n
for arbitrarily given n. It is allowed to useEulerıs number e
in a suitable approximation formulas for t_n.- WolfgangLEGEND:
I showed in a small paper in 1986 that it is more difŜcult
tonumerically compute the rational number t_n for very high n
than Eulerıstranscendential number e. This was a big surprise
for many gurus ofnumerical analysis in Germany. It was just
the time when the Ŝrstsuper-computers had been installed in
some research instituts, and in atextbook of one these gurus
the super-computer in Karlsruhe was used tocompute t_100000
to demonstrate the enormous power of these computers.In
particular, I showed that the real t_100000 printed in the
mentionedtextbook was wrong already in the 6th decimal. Any
direct power- or repeated multiplication procedure (and the
more alogarithmic procedure suggested by Pivo) would fail to
compute the500000 decimals of [t_100000] in reasonable time u
n l e s s Eulerısnumber itself is used in these computations.
This is the reason why ause of e is allowed above (e can
easily be computed in milliseconds withnearly arbitrary
precision). It is indeed surprising that the limes of
aseemingly simple sequence has to used to numerically compute
a sequencemember itself. Numerical analysis is a highly
complex discipline...====HeyCan anyone explain why there are
two types of matrix, and why doesnt DOTworks when I have list
of lists vektor, TRANS doesnt work when I have > Can anyone
explain why there are two types of matrixThere are two types
(or dimensionalities) of *array*:o One-dimensional: a single
list of N values, known as a vectoro Two-dimensional: a list
of vectors (rows), MxN, or matrix (even if M=1, this is
considered different)This is somewhat like a line vs. a
rectangle, we might say,or like a real number vs. a complex
number,in which -1 and (-1,0) are not exactly the same
thing.> and why doesnıt DOT work when I have list of lists
vectorIf you have set ŝag -91, then the output of the Matrix
Writeris really only lists (and lists of lists), rather than
thearray object type, whereas DOT accepts only true
arrays.However, a command AXL is available, which ŝips an
objectbetween list (of lists) form and array (vector or
matrix) form,so you can always apply AXL to the MW output to
change its format.> TRAN [or TRN] doesnt work when I have
ordinary vector.1-dimensional vectors donıt possess a
transpose(because there are no rows vs. columns to
interchange),whereas 2-dimensional matrices do.If you have an
object on the stack which isnıt the dimensionality(vector vs.
matrix) that you wanted, you can just press thecursor-down
key (or TOOL EDIT) to activate the Matrix Writer,then press
the VEC menu key [B] to ŝip its dimensionality,then press
ENTER to return it back to the stack.This allows you to
change vector <-> matrix,provided there is only one row in
the matrix. If by two types you meant vector vs. matrix,then
the previous reply is appropriate,regarding 1-dimensional vs.
2-dimensional collections.If you meant array format -- [array]
and [[matrix]]vs. list format -- {list} and {{list} {list}
...}then itıs just that there is a choice availablebetween
using true arrays vs. keeping all the sameelements in a
collection of lists instead,which offers different ways of
being handledby different programming commands -- there is
noDOLIST command for arrays, for example, and
nomultiplication/transpose/inverse/DOT/etc. for lists (of
lists).Also, in the older HP48 calculator, arrays could
consistonly of real and complex number elements; therefore,to
represent symbolic/algebraic arrays, the use of similarlist
structures was the only way it could be done,whereas in the
HP49, arrays are now permittedto contain algebraic elements,
so now therereally is more opportunity to keep all arraysin
one consistent square bracket form.Actually, the HP49
internally stores a symbolic array in alist of lists style
anyway, but it conceals this quite wellfrom the user, by
having a new object type code for it (29),by displaying this
object type with square brackets,and by permitting a similar
set of operations upon itas for numeric arrays, so you
usually are not awareof any of these internal tricks, and
donıt care how it works.Given the set of operations in which
you seem interested,it would seem to be a good idea to clear
ŝag -91,and to use only the conventional square bracket array
format,which is the only format understood by TRN, TRAN, DOT,
etc.[r->] [OFF].====Wow, another slight correction:TRN (an
old HP48 command) does not accepta list of lists format for a
matrix,but TRAN does!Note:The object must be a 2-D matrix, not
a 1-D vector, butyou can use 1. ->LIST to convert a list of
lists vectorto a 1-row list of lists matrix (use HEAD for the
reverse :)Likewise, a square bracket vector becomesa 1-row
square bracket matrix after 1. ROW->,and back to a vector
again after ->ROW DROP
http://www.northcoastcoffee.com/Poems.htmhttp://
www.oursworld.net/babies-kids/baby-kid-poems/poems.htm#1Here
is Michael Hoppeıs ingenious programfor TRAN (list of lists)
on an HP48 (or 49):<< LIST-> DUP -> n << << n ->LIST > DOLIST
> > > Who is qualiŜed enough to judge people and > categorize
them into thinking and not-thinking?> Who and why is qualiŜed
enough to propose, vote on and pass laws in the Parliament?>
The lack of Morphosis, the lack of Paedeia (education) > is
the reason for all these.> All people are shaped
(morfvnontai) into something, with which education has
nothing to> do. However, you just deŜned `usı and `themı the
same I way I usually do: the people that> are educated and
the people that are not.You are saying that education doesn t
shape our character?Then what are we all going to school for?
Only to learn reading and writing? Education determines an
important partof our morphosis (not 100% of it, though). But,
I am talking about morphosis and paedeia here, not school
education or specialization in a working Ŝeld.> By `educatedı
I do not mean `people that are enrolled in Uni coursesı; I
have, and am> willing to bet that so have you, met people
that hold degrees of high importance but are> essentially
uneducated, and vice versa.That s exactly my point here! How
do you deŜne thinking vs. talking?University? RPL? Height?
Colour? Footbal team? What are your citerias?Who are you to
separate people into two groupsand then blame the other group
for the wrong course ofthe society? Are you not responsible,
too? Not even a little?> I am not a follower of the ``we are
all responsible -- no-one is able to set the criteria> as to
what makes a $THINGıı line of thinking. This can lead one to
paths such as ``all laws> are voidıı, ``police has no valid
powerıı and in general anarchy, in the ``lack of orderıı>
sense of the word. There are people responsible for a
situation and people irresponsible for> the same situation.
Surely not equally responsible, but responsible!And I realy
can t see the thread that leads from thisargument of mine to
irrelevant conclusions likeall laws are void, anarchy
etc.Just for the record: I am NOT an anarchist.On the
contrary, I really like ORDER and I likebeing a member of an
organized society, in which everyone andeverything has its
place. Therefore, I m sure that you can understand how
suffocated I feel sometimes here in Greece, where everything
happens by chance, without any organization.But, aren t you
an anarchist when you question the rightof the members of the
Parliament to legislate?Instead of blaming them and only them
for their (tragic) mistakes,blame also the un-educated people
who are willing to exchangetheir vote with a job at a
ministry, without caring who they vote for. But the fact that
they cannot appreciatethe value of their vote, is also my
responsibility. BecauseI never taught the forthcoming
generations that nepotism is not a right thing. No man is an
island, integral, on his own; he is a part of the
mainland...Every man s death lessens me too, for I am one
with mankind.So, never send someone to ask for whom the bell
rings.It rings for you. --- John Donne> This is quickly
getting Way Off Topic.I know, but it doesn t matter! Read the
post by John H Meyers above :-)Alexandros
MarkatisHELLAS====Iım currently porting Usinagaz to
hp38/39/40, but Iım having troubles withsilly things like
login & password: how can I ask the user to enter it?Iıve
written a DoInputForm with Text Ŝelds of expected type 2, and
yet,although one can type Œı thanks to the CHAR tool, one can
only get syntaxerrors...It might work with some Notepad
variables, but how can I get them back? ====> Iıve written a
DoInputForm with Text Ŝelds of expected type 2, and yet,>
although one can type Œı thanks to the CHAR tool, one can
only get syntax> errors...OBTYPE_NA as legal object types,
while I was using { OBTYPE_CSTR },which would require the
user to be able to enter a string, which is notthe case.
OBTYPE_NA shortcuts any compilation, so that I really get
astring :) ====Could you either send it to me also or give me
an address where I can get it? Iıll put both of them on my
site so that the location will (hopefully) have some
stability instead of HPıs here now, gone tomorrow policy.I
already have the 39/40G manual (in pdf) that I have added
extensive hyperlinking to on my site (and corrected a few
errors that crept in), as well as the CAS manual in
english.PS. Why two versions of the CAS manual? Would anyone
want version 2 if version 3 is better?French CAS manual,
version 2.0:>
http://www-fourier.ujf-grenoble.fr/~degraeve/jean.pdfFrench
CAS manual, version 3.0:>
http://www-fourier.ujf-grenoble.fr/~degraeve/jeanmark.pdŜf I
can Ŝnd it.HPCC #1046====> I get such a rush when trying to
do something with my nifty little calculator.> I extend my
love to all the ACO members, the people who surround this
great> community injecting small gems of wisdom into it and
everyone in general. Iım> in a hippy (HP...) ``me loves
universeıı mode right now.> Thatıs great! After reading so
many stupid and insulting ŝames, itıswonderful to see
something like that.And if itıs chemically induced, pass it
around! :-)Bill====I was wondering if there is a snip_it area
for user RPL and/or sys Rplresiding somewhere within this
messgae area perhaps?====<snip > While itıs not on your list,
Iıve found that un Œunknownı yet very> powerful mathematics
software is ŒDeriveı. It not only handles> numerics to
arbitrary (user deŜned) precision, complex variables,>
matrix/vector data types, but also handles symbolics very
well.> Further, it costs just about $100.00 (maybe $150,
donıt recall> offhand). Itıs not quite as pretty as far as
user interface to Mcad> and the others, but it certainly is
more affordable. You can download> a fully functional trial
(I believe 30 day) version from their> website. You can Ŝnd
it via your fav search engine. A dealer down> in Miami, Fla
discounts it a bit, too. One can run the DOS version of
DERIVE on a Hp200LX which is extremely handy,IMHO.And there
is MiniMat which one can sometimes Ŝnd which was the
academicprecursor to the commercial version of Matlab and
also will run just Ŝne onthe 200LX.Do a Google search for
computer algebra or symbolic algebra and youıllŜnd that there
are all sorts of other interesting programs outthere--REDUCE,
Fermat, YACAS (yet-another-computer-algebra-system),
Maxima(nee Macsyma) and our good friend Parisseıs own XCAS
among them.====I dont think I have to say more... Read topic
to answer my question...i.e. I have f(x) = 10^(2,55-0,15*X),
where X is ASTM (standard) grain size,varying from X= -1 to
X=15.I want a straight line on my HP, if its
possible...Martin Jrgensen.begin 666 Martin Jorgensen.vcf====
I dont think I have to say more... Read topic to answer my
question...> i.e. I have f(x) = 10^(2,55-0,15*X), where X is
ASTM (standard) grain size,> varying from X= -1 to X=15. I
want a straight line on my HP, if its possible... Martin
Jrgensen.How about plotting log(f(x))? ;-)Of course, it makes
it more difŜcult to trace...Good point, though.Have
fun,Gerald.====I have download : RF v2.4 - Redundance Fighter
compressorfrom http://www.hpcalc.orgI send the Ŝle to the
HP48GX.but when i want to install this lib (Lib : 1789...) I
have only astring with the Ŝrst letters areHPHP48-E@+
*.....instead of Library 1789: ....If someone have an idea
???Cedric====Use this little tool
:http://www.hpcalc.org/search.php?query=objŜxcedric
<pub@reicher.fr.st> skrev i en meddelelse I have download :
RF v2.4 - Redundance Fighter compressor> from
http://www.hpcalc.org I send the Ŝle to the HP48GX. but when
i want to install this lib (Lib : 1789...) I have only a>
string with the Ŝrst letters are> HPHP48-E@+ *.....> instead
of> Library 1789: .... If someone have an idea ???
Cedric====> Also updated is my UTOOL library for units
handling - I added some> support for relative units. Those
are units like degree C or Gauge> pressure which are deŜned
relative to some arbitrary zero point and> normally make
conversion a pain. This is likely to be the Ŝnal> version of
this library - cannot think of anything to add.Great work! It
is exactly what I need (capability of relative units,i.e.
conversion between gauge - absolute pressure). ====Apologies
if this has been discussed already - I couldnıt Ŝnd
anythingdeŜnitive in searching back-posts.Iım looking for a
way to jump to a particular X value on a plotted graph.Using
the cursor keys with trace enabled seems horribly tedious at
times.accurate answer - this isnıt what I mean; I simply miss
the ability to view(with some speed) the approximate function
result without having to scrollall the way there. The way Iım
doing it now just seems silly.eshylay====Apologies if this has
been discussed already - I couldnıt Ŝnd anything> deŜnitive in
searching back-posts.> Iım looking for a way to jump to a
particular X value on a plotted graph.> Using the cursor keys
with trace enabled seems horribly tedious at times.missing
something? Isnıt this a fairly simple, pretty fundamental
feature to> be without?Is any software available to support
this feature somehow? I donıt> understand the internals of
the 49G software - can a function be added to> the current
(in-built) plotting application, or would an entirely new>
application need to be written for this one feature? Is the
(in-built)> plotting application part of the ROM.Any known
work-arounds?> Obviously, I evaluate the function in the
command line if Iım looking for an> accurate answer - this
isnıt what I mean; I simply miss the ability to view> (with
some speed) the approximate function result without having to
scroll> all the way there. The way Iım doing it now just seems
silly.eshylayThe only things I know about are (1) that
right-shift hold with an arrow key moves to the edge of the
graph space, (2) You donıt have to have the cursor on the
curve to look for a root or an extremum, only near the
correct point horizontally (vertical position is
irrelevant).====Can somebody say what the adress is from the
basic command GROB?How do we do textbook mode in sys-rpl? the
message handlers for the DoInputForm, where can I Ŝnd them?How
do we display text as the inference aplet when you press on
help?That was it for now.====> Can somebody say what the
adress is from the basic command GROB?GROB is not a command
but a keyword understood by the command line compiler.So it
doesnıt have an address.> How do we do textbook mode in
sys-rpl?Are you referring to the VIEW bit?the message
handlers for the DoInputForm, where can I Ŝnd them?Search in
the HP48 forum> How do we display text as the inference aplet
when you press on help?Go to my web
site:Www.epita.fr/~avenar_j/hp/39.html and download the stats
source code. Youwill see how you can write advanced
aplets====Whatıs gotten into you?Are you so universally bored
that you couldnıt resist the temptationto provoque this
newsgroup into a utterly confusing and confused rantwhich has
no place in this forum?Come on! Take a break!I, for one, am
totally confused about what youıre trying to say!Please...
Letıs change ourselves before we try to change the
world!====Wouldnıt it be great to have a better solution to
connect the 49G with thePC ?eg. ... like the one made from
and for the HP 200LX community, with the helpof the Total
Commander (formally known as Windows Commander until
november2002), the multi-functional Ŝlemanager for windows.
It has a similardual-pane layout as the famous Norton
Commander from the old MS-DOS days,and is a great Windows
Explorer replacement.***Who would be able to build up a
plugin for this application ?***Check http://www.ghisler.com/
andhttp://members.lycos.co.uk/maxwish/tc_wfx.htmlHPLX A plugin
for TC which views Palmtopıs Ŝles.Quote from a ŒHPLX Mailing
Listı user:The palmtop is connected to the desktop via a
serial cable and afterinstallation, you can see (and operate
on) the Ŝles in the palmtop aseasily as you can on desktop
Ŝles. If the palmtop is asleep, it will beawakened. This is
similar to what you can do with the connectivity pack, butI
think it is more solid and does not seem to drop off and
collapse inmid-transfer as the connectivity pack does
sometimes. I have it working at115200 and experience no
troubles ====than I initially supposed, and Iım still not
convinced that weıve got tothe bootom of it.> My guess is
that it is not a multiplier but an additional four bits of>
space to compute physical nybble addresses (when the word
size is> greater than four bits) without throwing away the
most signiŜcant> bits of the 64-bit integer.Might be,
although unfortunately I donıt clearly understand how
thatwould help in addressing.Do you suggest that they would
be sort of appended to the contents ofthe register to get the
nibble address out of the number contained init? What about
the odd sized words (in terms of nibbles), or, actually,words
that contain not a power of 2 number of nibbles? What about
theŝoating point mode, how would that work then? And,
additionally, thecalculator always uses the absolute value of
the index register, which,in my opinion, makes a
straightforward application of those 4 bits morequestionable
still.> But the HP-16C index register hides even more
puzzles:-If you examine the behaviour of the index register
with different word> size settings, using ISZ to Ŝnd out
where it rolls over to zero.> This invariably happens at
2^64, not 2^68.So, these extra bits may indeed be special
(see below, though).> Perhaps more interesting is to try this
out in different complement> modes. You will Ŝnd that ISZ
never skips in unsigned mode, skips at> FFF...FFFF in oneıs
complement mode and at 000...0000 in twoıs> complement mode.
I guess this is correct behaviour.Absence of the skip in
unsigned mode might indicate that we startincrementing those
extra bits, and if they sit high instead of low, thisloop
could be very lengthy indeed. Hence Iım a little bit
suspiciousabout the never above.In my opinion, this would
match nicely the behaviour in 2ıs complementmode if those
bits were used to represent negative numbers by prependingthe
4 bits in question to the main 64 bits, and setting
themaccordingly, as the sign would most likely be propagated
up.Admittedly, Iım not so sure about 1ıs complment, for,
opposite to 2ıscomplement, Iıve got no good feeling of how
that works. I mean, Iunderstand the maths, but itıs not a
part of my everyday practice, soIıd like to be more careful
here.> Now see what happens if you change the complement mode
after loading> the index register. If you experiment with a
little program like: LBL A> ISZ> GTO A> R/Ssetting up the
complement mode, loading a suitable value into RI>
(FFF...FFFE or less), changing the complement mode and seeing
where> the routine stops, you will notice even stranger
behaviour:-* If you load RI in unsigned mode or twoıs
complement mode and then> change mode before running the
little routine above, the machine will> honour the mode that
was in force _when_the_register_was_loaded_.* If you try the
same trick loading the register in oneıs complement> mode and
then switching to unsigned mode, the machine will execute the>
ISZ instruction as though it was in twoıs complement mode....
This is probably a bug...These are exciting Ŝndings, but I
need a little bit more time to workout a good theory of what
might be happening behind the wall. I thinkthis might somehow
be connected with the idea I suggested above, but Ineed some
time to get it settled in my head. Let me get back to you
onceI get so far, OK? ====Iıd like to enter a complex number
in the polar form:(3*sqrt(2), angle_81.1 degrees)How can I
easily do this?I can use ALPHA + RIGHTSHIFT + 6 81.1 to enter
the second argument, butHP49 wonıt let me enter the Ŝrst.--
====The complex number pairs as (r,angle) or (x,y)are
restricted to numeric only.Please change to numeric Ŝrst
before combining to complex.You may like to use use Approx.
and Numeric to key in complexnumbers without entering
symbolics. Iıd like to enter a complex number in the polar
form: (3*sqrt(2), angle_81.1 degrees) How can I easily do
this? I can use ALPHA + RIGHTSHIFT + 6 81.1 to enter the
second argument, but> HP49 wonıt let me enter the
Ŝrst.====Here I go talking to myself (Iım replying to my own
message)!The error message: An error ocured during the move
data process: -113 Component: Example Files File Group:
Example Files File:
c:MYDOCU~1HP49~1DEBUG~1ExamplesSimpSimp.HPPI donıt know how
helpful this is, but it might show what the computer
wasthinking about.Iıll probably try it on my wifeıs computer
and see what that does.looking forward to using it! Iım just
learning how to program my calculator,and Iıve read that
Debug4x is an excellent tool for that. Iıve also found a600
some odd page document (from hpcalc.org) about SysRPL
programming. It saidthat I need to be careful because I could
crash my calculator if I make amistake. This motivated me to
get some programming tools and an emulator, thatway if I mess
something up, I just crash my PC instead of something
important(like my calculator).====Nevermind. I feel a little
silly now. I was able to install it onto my wifeısPC. I
should have tried that in the Ŝrst place. I wish PCıs had
ŝagsettings.The problem was the way I was using WinZip. I was
unzipping the Ŝle and thenmoving them into a folder. Then I
was trying to install Debug4x from there.On my wifeıs
machine, WinZip gave me the option of installing Debug4x
fromthere. I wasnıt getting that option on my machine. I
donıt know why.Anyway, I tried running the Setup Ŝle straight
from WinZip, and it worked. Iguess it didnıt like the fact
that it was trying to create a Ŝle that alreadyexisted.
Computers do weird things sometimes.Reading through my last
few posts, I realized that I might sounded like I
wascomplaining. I just wanted to mention that I do really
appreciate people thatare willing to write useful programs
for free. Especially those who arewilling to distribute those
programs. Iıve heard horror stories about peoplethat I wasnıt
percieved as being one of those.it!Hopefully if other people
run into this problem, they will search the archives ==== > I
lost my manual and look for a step by step description for
dealing with> complex numbers. Sample: x=5; y=5 now I want to
add a complex number (10, 90). How to Ŝnd the new x/y
value?The HP28 only calculates with complex numbers in
rectangular form. Youwould enter (5,5) to the stack. Then
(10,90) and use polar/rectangularconversion. I donıt have my
28 in front of me so I am not sure of the exactkeystroke.
Once both numbers are in rectangular form you can
performoperations. ====Carsten Dominik
<dominik@_DROP_THIS_science.uva.nl> answered to> m> 1. Can I
change the hp49g from rect to polar mode with just one(or
two)> m> keystrokes ? Get KEYMAN, this is one of the optional
assignments it provides, under> the More button (read the
docs...)Yes, get Keyman, but the rect to polar mode toggler
is not availableanymorein More.Several togglers, including
angular mode tog you Ŝnd in OT49 fromWolfgang
Rautenbergftp://ftp.math.fu-berlin.de/pub/usr/raut/hp49/look
in the sub-DIR Keys?You can Ŝnd the angular-mode toggler in
Topkeys.zipIn sub-DIR tools you get OT49or search
onwww.hpcalc.org..Heiko====> 1. Can I change the hp49g from
rect to polar mode with just one (ortwo)> keystrokes ?> You
have to assign a small program to a key.> If you assign this
to the [SYMB] key you need only 1 keystroke> << -16 DUP IF FS
THEN CF ELSE SF >Missing a questionmark, it better like
that:<< -16 DUP IF FS? THEN CF ELSE SF >______
leftshift_hold+pi *andcoordinate system toggler
toleftshift_hold+longhold_pisee Topkeys has become to a
standard ;-)You need Keyman and OT49 for this.Topkeys is
optional, in case you can handle Keyman...Heiko====there are
some programs fromthe hpcalc.org site that i wanted to put in
myhp48gx. i just got the connectivity kit and can transfer
Ŝles such asız=b+cı writing and saved from windows
notebook.when i download and unzip a quadratic program from
the site and then try totransfer Ŝle i get a error message
box that reads, Œthe Ŝle you tried tosend does not contain
valid data or a valid program.when i Ŝrst tried to transfer
the above simple equation i go that samemessage, but when i
put the single quotes ΠΠaround the equation, ittransfered
without problems.is there something that i have to do the
programs i get from the site tohave the be valid
programs.thank you for any help.