Texas Instruments TI-1400

Texas Instruments TI-1400
Image: Mark Bollman, used with permission
The Texas Instruments TI-1400 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 20 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V. The calculator was manufactured in USA.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 6
Keys: 20
Precision: 8
Logic: Algebraic
Display type: LED
Length: 139mm
Width: 72mm
Thickness: 34mm
Power Source: PP3 9V
Country: USA
Year introduced: 1976
YearDiscontinued: 1977

See other calculators by Texas Instruments