Additional Pictures 


The sales box of the TI-501 calculator sold around 1982 in the United States.


This TI-501 was manufactured in 1982 by an unknown OEM in Taiwan.
The TI-501 calculator is powered by two AA batteries.

The printed circuit board (PCB) of the TI-501 is centered
around a Toshiba single-chip calculator circuit.

Close-up view of the Toshiba
single-chip calculator circuit
Close-up view of the PCB-Mark of the TI-501.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, February 24, 2021. No reprints without written permission.