Busicom LE-120A (HANDY-LE)
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:
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: