Do a log log plot of data Create folder ac in VAR-LINK Select folder ac in MODE Select folder approximatr mode in MODE select APPS Stat/List Editer Under list1 type 1.5 Enter type 2 Enter type 3 Enter type 4 Enter Under list2 type 5 Enter type 7 Enter type 9 Enter type 11 Enter Darken list3 heading Enter list3=log(list1) Enter Darken list4 heading Enter list4=log(list2) Enter F4:3 Regressions 9: PowerReg Enter xlist list3 Watch for you are in alpha mode list alpha 4 ylist list4 y1(x)->y1() Freq 1 Enter See y=a*x^b a=1.22 b=.317 Enter Diamond F1 see y1=1.22 * x^.317 select Plot1 Plot type xyline Mark box x ac/list3 y ac/list4 Freq and category no Enter Diamond F3 see plot Diamond F2 F2 9:Zoomdata Enter See good plot