This may look like a calculator - the keyboard is from a TI-59 calculator - but it's a training system for the TMS 9980A processor. The board has 1K of RAM and 4K of ROM, plus the ability to save and load code from tape.
This board is co-branded Radio Spares.
Manufacturer: Texas Instruments
Comment on This Page
Texas Instruments TM 990 / U89 Manuals:
Texas Instruments TM 990 / U89 Articles:
Magazines RELATED to Texas Instruments TM 990 / U89 in our Library
Other Systems Related To Texas Instruments TM 990 / U89:
This exhibit has a reference ID of CH55659. Please quote this reference ID in any communication with the Centre for Computing History.