Yes, there is a free TI-84 Emulator, designed by the makers of the handheld TI-84. I suggest the free Online TI-84 at www.Testnav.com. Click herewww.Testnav.com How do I access the TI-84 Online Calculator? Please read below on how to access your TI-84 Online Calculator. ...
Your calculator will look like this when using RPN83P: RPN83P is a flash application written in Z80 assembly language that consumes 3 pages (48 kiB) of flash memory. Since it is stored in flash, it is preserved if the RAM is cleared. It consumes about 1025 to 2535 bytes of TI-OS ...