Texas Instruments TI-40

Texas Instruments TI-40
Image: Datamath.org used with permission
The Texas Instruments TI-40 is a scientific calculator with 8 digits precision and algebraic logic. It has 29 functions, 45 keys, and an LCD (liquid crystal) display. The power source is 2xLR44. The calculator was manufactured in Italy.

Facts at a glance:

Feature Value
Type: Scientific
Functions: 29
Keys: 45
Precision: 8
Logic: Algebraic
Display type: LCD
Length: 147mm
Width: 74mm
Thickness: 16mm
Power Source: 2xLR44
Country: Italy
Year introduced: 1981
YearDiscontinued: 1982

See other calculators by Texas Instruments