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Texas Instruments TI-55

Building on the PCjs TI-57 Emulator, the PCjs TI-55 Emulator is now available, with optional Diagnostics.

TI-55 Programmable Calculator

2nd

INV

Deg

Rad

Grad

Additional PCjs resources include:

TI-55 ROM

Additional third-party resources include:

TI-55 Owner’s Manual (and more) via the Datamath Calculator Museum

[GitHub Source]