A TI-89 emulator. Not TI-83, not TI-86 - TI-89.
You need your own ROM to make it work. Got a calculator already? Pull the ROM and load it into Graph89. Don't have one? The ROM is located on THEIR website. Here.
App Link
Credit: Android Police
You need your own ROM to make it work. Got a calculator already? Pull the ROM and load it into Graph89. Don't have one? The ROM is located on THEIR website. Here.
App Link
Credit: Android Police