why are TI graphing calculators still so expensive

[Manolo Sobrino]

(04-11-2018 01:26 PM)damaltor Wrote:  I found this:
http://www.technicalc.org/tiplist/en/fil...ip9_19.pdf
is there any link to the archive itself?

It lived at Roberto Perez-Franco's symbulator site, sadly these things are vanishing from the web, try here:

https://web.archive.org/web/200809150852...d/rpn.html

Check also the download area:

https://web.archive.org/web/200808242159...index.html

Lars Frederiksen's Diff Eq is very nice too. And of course Bhuvanesh Bhatt's MathTools.