CAS comparison HP Prime versus CASIO CG50

[parisse]

The main differences are hardware and exam mode availability vs price.
On the Prime, you have much more memory, a much faster CPU (this is especially appreciated for 3d rendering) and the CAS remains available in test mode.
The CG50 is an excellent functionnality vs price choice (this is especially true if you compare it to the TI84). Another point is that I'm entirely free to publish enhancements and bug fixes on the CG50. For example, the CG50 full version of Xcas has an interactive 3d geometry application, the program editor has color highlighting and parenthese match, ...