A569
===
Subject: Re: degrees,minutes and secs.
The converted dd.mmss result
should be used for display only, however.
The following contains a program for displaying in a more obvious way
(like a Casio calc), without actually converting the original value:
Example: -4.085 displays as -4.bc5'6.
It was pointed out that the above hides the algebraic sign
for negative values that are less than one degree
(doesn't everyone expect minor bugs in Casio-like calcs? :)
===
Subject: Re: degrees,minutes and secs.
I think that most users of calculators expect absolute perfection of
results from ANY calculator. Probably only a very few of us realize
that calculators can even HAVE bugs.
What? But it's a CALCULATOR. It's always right!
===
Subject: Re: HHC2007: The U.S. HP Handhelds Users Conference in San Diego
29-30 September 2007
There are more people involved with calculators besides engineers (think
those that $$$ them). I am not sure if there have been more developers
hired, but I have personally met at least 5 people that work for HP calc
dept, and I'm sure others have met more. Cyrille has probably met them
all. :-)
The offices of all those other people are down in san diego.
TW
===
Subject: Re: Flashback - HP calculator accessories site
I'm sure it probably would. But the main unit containing the disk drive
requires mains power and I don't have an adaptor to be able to plug it
into an Australian socket to test it. I must have had one back in the
90s when I acquired it because I remember using it once or twice.
I think it was created before they brought out the software that let you
easily interface with a PC (the average student user was not prepared to
use Kermit). Once the PC software was available there was no real need
for it. I must admit that I always felt that it was a bit of a white
elephant.
If anyone's interested in it I'm open to offers. :-)
===
Subject: Re: Flashback - HP calculator accessories site
On Wed, 25 Apr 2007 09:33:52 -0500,
Each of your groups has an
Edit my subscription link where you can fill in
What [nick]name do you want people in this group to see?
The last three characters before @ in email addresses
(which you are not allowed to munge for yourself)
are changed to dotdotdot as discouragement to
robotic email address harvesting (no robots could
possibly be smart enough to figure out what those
characters are anyway, because all sufficiently intelligent
programmers in the world must already be working for Google :)
People can click on the dotdotdot and answer a captcha
challenge (type some characters seen only in an image)
to obtain the complete email address anyway.
-[ ]-
===
Subject: Re: Flashback - HP calculator accessories site
After searchng a half-dozen Google options, all of them seemingly
interchangeable and none of them doing anything useful, I couldn't
find Edit my subscription. Then I realized that I'd never bothered
to subscribe (why should you?). So I subscribed, entered my real name
as a nickname (a nice example of Netthink), and lo, Edit my
subscription appeared, now that I don't need it.
But the real problem is that over the past ten days, my posts have
been taking up to two days to appear. Kind of makes you long for the
good old days when it was only nine hours. :-)
Bill Something or Other
===
Subject: Re: Flashback - HP calculator accessories site
It usually is less than a minute. For some reason it has been down
(almost 2 days) and very slow recently.
TW
===
Subject: Re: Flashback - HP calculator accessories site
Same here.
Especially since April, 25th messages are shown with a delay arounf 4
hours average (at least on this side of the Ocean - Italy :-)
Giancarlo
===
Subject: Re: HP 50g Hardware Reset HELP
You read this in an HP manual??? Where?
First time I have *ever* heard about this... So I'd say it's rubbish
Press ON, A and F simultaneously, is the only way to cold reset your
calculator in a rapid manner.
JY
===
Subject: Re: HP 50g Hardware Reset HELP
I read it in from HP's training manual. That's why I tried to do it
that way....
http://h20331.www2.hp.com/Hpsub/downloads/50g_Training_aid_introduction.pdf
So I assume HP gave incorrect info in that training manual....
Its a shame HP gave this info incorrectly because I tried it like 20
or more times and my calculator or its screen could have damaged
because of me trying to do this.
===
Subject: Re: HP 50g Hardware Reset HELP
HP's calculator manuals are shot through with errors, and the
secondary publications that you can download from their site are even
worse. I recently downloaded Using A Secure Digital Card with ROM
2.08 for the HP50G, and it said bluntly that cards formatted with
FAT32 will *not* work in the HP50G. Not only do they work fine, but
the calculator itself formats large cards to FAT32. At least the
manuals are correct about this part, although they fail to tell you
that card dirs made with a card reader can't be purged on the calc.
The HP32SII pdf manual is full of howlers. They seem to have lost the
original files and have scanned in an existing manual with an OCR. At
least it has the characteristics of an OCR scan that didn't get any
proofreading. You can find things like this:
program pointer froze the bottom to the top
each variable is prompted for wheat
riot if you're integrating an equation
Search the pdf and you can find ten occurrences of riot instead of
not.
When the new HP33s came out, the manual turned out to be a warmed-over
HP32SII manual. They fixed the funny stuff, but left in HP32 keycodes
that don't work on the HP33 because the keyboard order is different
(especially applies to the ON+ codes in the top row of keys). If you
press the specified keys to clear the memory, for instance (they *do*
have trouble with that), nothing happens because they've moved the
keys around.
Bill
===
Subject: Re: HP 50g Hardware Reset HELP
don't worry no real damage is likely to happen, hardware reset is safe in
this type of device
(no complex file caching which would cause data loss)
LCD is ok with hard reset as long as LCD controller doesn't freeze.
Up to date there was no such functionality although such behavior could be
done either in
Kinpo's (ARM) part of firmware or Emulator.
-interesting finding from your part -it realy seams like official document.
(i believe majority would prefer the hard reset to stay as it is now)
manjo
===
Subject: Re: HP 50g Hardware Reset HELP
During one of the long resets I tried , it lasted arround 45secs, I
tried it with the calculator on. When I pushed the reset button with
the paper clip an extremly dark horizontal line appeared on the screen
during all the process.When I released the reset button the line didn
«t disappear inmediatly and on the borders of the lcd (out of
the
range where the calc displays data) continued for some time. After
that slowly dissapeared.
Thats why I thought I cuold damage it. Do you know if effectivly
something could happen to the screen? could I have damaged it? The
screen now its perfect , theres no trace of that line.
===
Subject: Re: Current 50G downloadable PDF manuals
Yes and no. I produced it for this group, and then HP apparently took
it as-is and included it in the manual (with my permission of
course). They didn't even improve the boring typeface.
-jkh-
===
Subject: Re: Current 50G downloadable PDF manuals
Hey Joe,
Jake Schwartz
===
Subject: HP Solve
format=flowed;
reply-type=original
Hi all!
Many years ago I used a HP-34C (my first programmable calculator - I just
changed the nickel cadmium elements last week!). This calculator has a nice

feature that I used very much called solver. This feature is able to find
the zero for a function (coded as a program).
Some years after I bought an HP-32S and I used the new solver (I choose the

HP-32S because the solver). In this version of the solver you are no more
limited to use the X register as unknown variable. You need to code the
function as a program but, using INPUT statements, your can select the
variable that you want as the unknown variable. Very powerful.
One year later I bought an HP-22S for my young sister (she was going to the

high school). HP-22S is simpler,cheaper and algebraic (!) but has the
solver.  I suppose that this new solver is similar to the numeric
solver
of HP-49g+ (and again when I choose the new calculator I checked for it).
The HP-34C manual has a detailed discussion of using it and I found an
Do you know where to find more information about the more recent solvers
(and algorithms) like those found in HP-32S, HP-22S and HP-49?
I'm just curious about the evolution of this feature.
Massimo Santin
===
Subject: Re: HP Solve
Buy the Twenty-Two Years of Datafile cd-rom from Jake Schwartz and
V20N3, V20N4 and V22N1.
rather than its history, in Datafile. You can search for them in the index:
--
Bruce Horrocks
Surrey
England
(bruce at scorecrow dot com)
===
Subject: Re: 50g borderline dumb questions
Yes, this is one way to emulate a limited stack:
The reserved variable bENTER (b as Greek character) can
contain a program that is automatically executed when
the stack depth changes. Provided that both system flags
62 and 63 are set.
Create the following program and save it as bENTER:
<<
DROP
CASE
DEPTH 5
FOR j
j ROLL DROP
-1
STEP
END
DEPTH 5 == THEN
5 ROLL DROP
END
DEPTH 3 == THEN
3 PICK 4 ROLLD
END
END
Set (or check) flags 62 and 63, and test.
Hans
===
Subject: Re: 50g borderline dumb questions
Yes, this is one way to emulate a limited stack:
The reserved variable bENTER (b as Greek character) can
contain a program that is automatically executed when
the stack depth changes. Provided that both system flags
62 and 63 are set.
Create the following program and save it as bENTER:
<<
DROP
CASE
DEPTH 5
FOR j
j ROLL DROP
-1
STEP
END
DEPTH 5 == THEN
5 ROLL DROP
END
DEPTH 3 == THEN
3 PICK 4 ROLLD
END
END
Set (or check) flags 62 and 63, and test.
Hans
===
Subject: Re: 50g borderline dumb questions
An alternative for nostalgic 4-level stack,
based on Hans Milton's original suggestion,
accommodating additional possible 50G operations
(e.g. inserting or dropping more than one level at a time,
also getting started with some initial value):
<< @ Program starts here
<< DROP DEPTH {
WHILE DEPTH 4 < REPEAT DEPTH PICK DEPTH ROLLD END
{
OVER ROT DUP2 @ Hard to do on 4-level calcs :)
} TMENU
Execute STK4 to start off or resume, including creating a menu;
turn off USER mode to stop auto-adjusting the stack.
Note that 'LastX' is not simulated here.
===
Subject: Re: 50g borderline dumb questions
Yes, this is one simple way to emulate a limited stack:
The reserved variable bENTER (b as Greek character), if it exists, can
contain a program that is automatically executed when the stack
depth changes. Provided that both system flags 62 and 63 are set.
Create the following program and save it as bENTER:
<<
DROP
CASE
DEPTH 5
FOR j
j ROLL DROP
-1
STEP
END
DEPTH 5 == THEN
5 ROLL DROP
END
DEPTH 3 == THEN
3 PICK 4 ROLLD
END
END
Set (or check) flags 62 and 63, and test.
Hans M
===
Subject: rearranging formulas
hello once again, just wondering if theres a way of rearranging
formulas on the HP50g to change the subjects,
example..
I = PRT
Is there a way to make T the subject of the formula on the hp50g?
===
Subject: Re: rearranging formulas
'T' ISOL
This will isolate that variable. Just make sure you don't have numbers
stored in the T I R or P variables or there may be nubmers inserted
which you probably don't want.
SOLVE will do the same thing.
TW
===
Subject: Re: rearranging formulas
But ISOL may assume the there is only one occurrence of the variable to
be isolated in the expression/equation.
Try, for example,
'2*X+3*Y = 4*EXP(X)+5*Y + 6'
'X'
ISOL
versus
'2*X+3*Y = 4*EXP(X)+5*Y + 6'
'X'
ISOL
===
Subject: Re: help with metakernel
When you install the MK, it automatically unmerge the memory in port 1.
so you can safely remove the memory card.
You need to merge the memory, only to install the MK. The file is so big
Hope you'll like the meta-kernel, enormous amount of time and effort
went into it.
Jean-Yves
===
Subject: Re: help with metakernel
I'm loving it, and the calculator feels a bit faster.
===
Subject: Re: help with metakernel
It automatically unmerges during the installation. (After installation,
if you press [right-shift][MEMORY] the Filer should show both Port 00
and Port 01.) So if it's successfully installed, you can remove the
--
[CapitalThorn].bes ofereode, [CapitalYAcute]isses swa m.beg. (That
passed away, this also can.)
from Deor, in the Exeter Book (folios 100r-100v)
===
Subject: Re: HP 50g EQLIB with Choose Boxes
===
Subject: Re: HHC2007: HP Handhelds Conference in San Diego, CA on 29-30
September
Yay! We are already up to eight people indicating they would likely
be attending, plus five people volunteering
List of Attendees page which lists everyone who has registered. It's
looking good so far.
Jake
===
Subject: Re: HHC2007: HP Handhelds Conference in San Diego, CA on 29-30
September
We are up to 16 attendees and 7 speakers as of now....five months from
now, we may be able
to say that the calculator conference community has returned! The
HHC2005 conference
had 38 people and the HHC2006 had 44.... a good trend, indeed.
Jake
===
Subject: Re: HHC2007: HP Handhelds Conference in San Diego, CA on 29-30
September
I can see it now... it's the last evening of the conference, the lights
go down in the auditorium, Chris de Burgh's The Lady in Red starts to
play over the speakers and the audience reverentially hold up their
HP-35s - a thousand softly glowing red LEDs, gently swaying in time to
the music...
;-)
--
Bruce Horrocks
Surrey
England
(bruce at scorecrow dot com)
===
Subject: Re: HHC2007: HP Handhelds Conference in San Diego, CA on 29-30
September
Personally, if that song came on I'd start dancing a nightclub two step.
However, my wife was the only female last year, and 1 of 2 the year
before. . . the rest of you are out of luck. :-)
TW
===
Subject: HP50g - New button colors or trick photography?
Hello all,
On JH's HHC2007 site, there is a link in the news section to a Wired
photo shows a HP50g floating on top of its rivals, which has a very
different looking keyboard than the HP50g I own or have seen.
I wonder if it is a photography/lighting/reflection effect, or did HP
actually changed the keyboard colors. Anyone know?
Here is the link:
http://www.wired.com/wired/archive/15.04/play.html?pg=15
Pal
===
Subject: Re: HP50g - New button colors or trick photography?
I'm wondering just why the HP 50g got a 7 out of 10 when the TI 89 got
an 8 out of 10. It just don't add up. (Pun/bad grammar intended).
===
Subject: Re: HP50g - New button colors or trick photography?
I'll bet it's an artifact of the photograph.
Pretty nice looking effect though.
===
Subject: Re: HP50g - New button colors or trick photography?
Blue lights, or a blue filter effect -- probably the art director just
thought the photo should be more blue. Gray keys appear blue-gray,
orange shift key is muted, and the LCD looks purplish.
--
Dave Boyd
That's sucker talk.
-- Raven, _This_Gun_For_Hire_, Universal, 1942
===
Subject: Re: HP50g - New button colors or trick photography?
They probably had to adjust the brightness to make the composite photo
look good for the web.
Mick C
===
Subject: Re: Are these School legal, or CAS
How about that! A formula Calculator without the graphical overhead.
Support your innovaters.
I'm sure that HP will have something with extended
abilities inside later on, or shortly.
Love to see something for the Kid market with a Step (SST) key.
Shoot, I'd like that in my current HP.
===
Subject: Re: Are these School legal, or CAS
The Casio mentioned is the FX-991ES, which in the US is called the
FX-115ES. It's a pretty nice little calc for the money -- street price
is $15-25.
http://www.voidware.com/calcs/fx991es.htm
It's very Casio-like, of course - very modal, 8 modes in fact - COMP
mode for regular use, STAT mode for statistics, MATRIX for matrices -
and you can't just use the times key to multiply a matrix by another, or
anything like that. I like the HP way better, unsurprisingly.
I bought one, because I wanted to see what kind of power $20 could get.
It turns out it buys quite a bit of power. (I also hoped to take it
apart and mount the guts in a much thinner package, a package only just
thicker than the LCD itself, but that will require a larger photo-cell
since the built-in one can't support the calc's power requirements by
itself and the battery is too thick for my idea.)
The 33S has most everything the Casio has, plus RPN and programming,
with the exception of textbook display. Is textbook display the
extended abilities you mention?
Never happen. Not ever. That ship has sailed. That dog won't hunt. Etc.
OK, old-timer! ;^) Get a 33S!
--
Dave Boyd
That's sucker talk.
-- Raven, _This_Gun_For_Hire_, Universal, 1942
===
Subject: Re: Are these School legal, or CAS
I have really poor coordination and if there is no key to land-on,
my hands will probably miss. I can't touch type either.
===
Subject: Re: HP 50 keyboard
Added this to the wiki faq, feel free to edit or add.
http://hp50g.pbwiki.com/
Mick C
===
Subject: Re: HP 50 keyboard
Hi Ken.
You can be reassured - the keyboard was just one of the (few)
improvements the 50G got over the 49 series.
Not yet like the touch-'n-feel champ 48GX (that I still have and
use) but a big step forward (if not for the whole mankind, at least
for the quality of HP keyboards :)
Hope this helps.
Giancarlo
===
Subject: How to convert 0.5 to 1/2 in 49g
I bought a 49g and i'm learning to use it, i have a really basic
question, how can i represent a number with comma to a fraction
number? ie: 0,5 to 1/2 i have another calc really simple one, that can
do this with a key that have symbol like this a a/b