Texas Instruments TI-2511

Texas Instruments TI-2511
Image: Datamath.org used with permission
The Texas Instruments TI-2511 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 4 functions, 18 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAA. The calculator was manufactured in Spain.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 4
Keys: 18
Precision: 8
Logic: Algebraic
Display type: LED
Length: 140mm
Width: 76mm
Thickness: 43mm
Power Source: 4xAA
Country: Spain
Year introduced: 1974
YearDiscontinued: 1974

See other calculators by Texas Instruments