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 batteries.
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:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 4 |
| Keys | 17 |
| Precision | 12 |
| Logic | Algebraic |
| Display type | LED |
| Length | 123mm |
| Width | 64mm |
| Thickness | 22mm |
| Weight | 300g |
| Power Consumption | 0.360000W |
| Power Source | 4xAA batteries |
| Year introduced | 1971 |
| Year discontinued | 1972 |
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: