The TI-30 is a low-cost scientific calculator with an LED that originally retailed for $24.95, Datamath reports. It was considered to be basically the same as the $49.95 SR-40, but, as Datamath says, ...

2025 feels a lot like . . . 1976.

He has layouts for a TI-45, which should also fit a TI-30, and one for the larger keypads on TI-58s and TI-59s. While these particular calculators might not in your collection, [George]’s goal ...

We look at the thriving community developing games you can play in class — or elsewhere — on your Texas Instruments graphing calculator.