Re: Need an experts advice: which is currently best CAS? Message #2 Posted by Marcus von Cube, Germany on 11 Apr 2012, 10:00 a.m., in response to message #1 by Mike (Stgt)
You can try Bernard Parisse's XCAS on the PC which is free. As a calculator, the Voyage 200 or a used TI-92Plus (better keyboard but bulkier and less flash memory) is powerful and user friendly. Coming from a TI-84, your son should feel at home with relative ease. The TI-89 has the same software but a non alpha keyboard which makes it less comfortable to use for CAS.
A 50G has the same problems as the TI-89 (keyboard), is certainly more powerful but less easy to comprehend.
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