Sharp EL-509D

The Sharp EL-509D is a scientific calculator with 10 digits precision and algebraic logic. It has 58 functions, 44 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V cell.

Facts at a glance:

Feature Value
Type: Scientific
Functions: 58
Keys: 44
Precision: 10
Logic: Algebraic
Display type: LCD
Length: 143mm
Width: 76mm
Thickness: 9mm
Power Source: 2x1.5V cell
Year introduced: 1985

See other calculators by Sharp