Texas Instruments SR-51A


Brand: Texas Instruments
Model: SR-51A
Type: Scientific/financial calculator
Picture: SR-51A
Batteries: Battery pack
Lifetime: Introduced: 1975
Terminated: unknown
Notes: This is a scientific calculator with financial functions. Successor to the TI SR-51.

Something terrible has happened to the keyboard plane of this calculator. It might however just be extended use :-)

The successor to this calculator is called the TI SR-51-II.

Thanks, Maarten vd Beemt for donating this calculator to my collection!


A power adapter.