This is a simple RPN calculator. I wrote the calculator JS from memory, so it is probably not as efficient as it could be.
Choose a style to apply a different CSS sheet and change the look of the calculator:
- Star Trek: The computer system from ST:TNG
- HP 48G: The graphing calculator of choice that isn't a TI82
- iPod: my MP3 player's calculator
- Typewriter: looks sort of like a typewriter
turn on this option to change numbers and symbols to words.