Texas Instruments TI-1766

Description

Brand: Texas Instruments
Model: TI-1766
Type: Calculator
Picture: TI-1766
Batteries: Solar cell
Lifetime: Introduced: 1981
Terminated: unknown
Notes: According to Texas Instruments, this is their very first solar cell powered four-function hand-held calculator. They list that fact on this Timeline Page (link validated 2024-10-29).

It does not need a lot of light to operate, the light of the scanner was quite sufficient to switch it on.