calculator.org

the calculator home page

Olympia CD 51

The Olympia CD 51 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 18 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys18
Precision8
LogicAlgebraic
Display typeLED
Length138mm
Width80mm
Thickness30mm
Weight160g
Power Source4xAA
Year introduced1972

Replacements:

If you have an Olympia CD 51 that is no longer working, you can first try replacing the 4xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Olympia