calculator.org

the calculator home page

Busicom LE-120A (HANDY-LE)

Busicom LE-120A

The Busicom LE-120A is an arithmetic calculator with 12 digits precision and algebraic logic. It has 4 functions, 17 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAA. The Handy-LE was the first calculator to use an LED display and also the first pocket calculator using the Mostek MK6010L calculator chip. Note: NCR 1844

Facts at a glance:

FeatureValue
TypeArithmetic
Functions4
Keys17
Precision12
LogicAlgebraic
Display typeLED
Length123mm
Width64mm
Thickness22mm
Weight300g
Power Consumption0.360000W
Power Source4xAA
Year introduced1971
Year discontinued1972

Replacements:

If you have a Busicom LE-120A 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 Busicom