The Best of Both Worlds ...
I've had both HP50 and TI89. I did a lot of testing. Operations, Performance, Ease of Use. The best of both worlds is to run a modified OS on the TI89 that gives you all features as RPN. You get the extra performance of the TI89 (yes, it is faster!). And with...
TI89 vs 50G
I have both TI89T and 50G. I bought the 50G first because I'm use to RPN (12C, CX, SX). I had a lot of problems with the 50G. Basic keys that should be on the keyboard have been removed. I did a lot of customization. Then
I started to find other issues. E.g. no true support for...
Reading the Same Book -- Errata Help?
Hi,
I'm reading the same book. There are a lot of things that the author
just covers and I don't find sufficent information. Also, so far I've found
a number of mistakes. So now when I come to something I confused on
I don't know if its a mistake or...