Apparently just a TI-84 Evo emulator(?) that you can run in a browser for $20/year: https://education.ti.com/en/products/calculators/graphing-calculators/ti-84

Apparently just a TI-84 Evo emulator(?) that you can run in a browser for $20/year: https://education.ti.com/en/products/calculators/graphing-calculators/ti-84-evo/ti-84-evo-online-calculator https://education.ti.com/en/products/calculators/graphing-ca...