It's a very nice model but it's a long way from being programmable (cost is about 15 bucks). In any case, most programmables have their own proprietary OS and don't compile upper-level languages.
Thanks for your answers. Yeah my first guess is it that it is not possible.
But what I really want is to modify this calculator so I can use it for something else instead of just calculating. I want to know how can I instruct the little chip inside it.
Anyway I guess I couldn't get any info here.. thanks again.
You can't actually do anything (besides calculate) with devices like this. There is probably only one chip inside and it's an ASIC running hard-coded proprietary software that Casio will not release the details on.
If you really feel the need to make it do something besides calculate you can enter a number like 5318008618, flip it upside down and read the display. So you've got that going for you.
If you're trying to use the Casio as a logic controller then you have a few more steps to go through before it's functional. If you just want to show off to your friends look up BEAM robotics, it's a clever concept that involves building simple robots.
I also have a project planned out that would make for a damn cool robot if you're interested.
The TI calculators are different animals Vexer. They can be programmed in TI-BASIC, C and Assembly (if you know the Motorola 68000 uProc).
@ blackcoder41, I would second the robotics idea. Keep in mind that the gold old days of tearing apart things you find around the house and stripping them for parts is pretty much over. Everything is built with embedded controllers nowadays. Even the simplest analog job is cheaper to implement with a DSP and a DAC than it is with analog components.
Good new though, there are TONS of companies popping up to support the new robotics hobbyist so a lot of cool stuff is out there. Just start looking.