Download this app if: you want a great calculator emulator.
TI-85 in your phone!
Get a TI-85 emulator for your phone! The TI-85 graphing calculator is great as a standard calculator, but also great for engineering and computer science. Graph and compare functions, perform bit manipulation and convert between numeric bases. Write programs in TI-BASIC....
Totally delivers — This app delivers on its promises. It's a great calculator option and it's free!