Texas Instruments TI‑51‑III


Brand: Texas Instruments
Model: TI-51-III
Type: Programmable scientific/financial calculator
Pictures: TI-51-III TI-51-III
Batteries: Battery pack
Lifetime: Introduced: 1977
Terminated: unknown
Notes: This is a scientific calculator with financial functions and limited programmability.

The TI-51-III is virtual identical to the North American model TI-55. This calculator is programmable, but does not have any advanced programming options like branches and conditions and such. The III in the name of this calculator stems from the fact that it's direct predecessors are the nonprogrammable SR-51(A) and the SR-51-II.

Its (programming) memory is volatile.


A power adapter.