The eternal and everlasting TI-86 graphing calculator is a great calculator: first made back in 1997, and still used by students today. But its battery life kinda sucks. So [Dalius] decided to ...

Not TI-83, not TI-86 - TI-89. Except this time, you need your own ROM to make it work, which should circumvent the intellectual rights issue. Got a calculator already? Pull the ROM and load it ...

The TI-83 (not Plus), TI-86, TI-92 and the TI-92 Plus are no longer manufactured. Certainly these older calculators may still be used in courses allowing any calculator. The designation TI-89 or ...

Here are the best graphing calculator apps for Android ... Silver Edition), TI-83+ (and Silver Edition), TI-73, TI-83, TI-85, TI-86, TI-82, and TI-81 calculators. The app doesn’t come with ...

The eternal and everlasting TI-86 graphing calculator is a great calculator: first made back in 1997, and still used by students today. But its battery life kinda sucks. So [Dalius] decided to ...