National Semiconductor 99
The National Semiconductor 99 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 25 keys, and an LCD (liquid crystal) display. Note: Sears 2000
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 7 |
| Keys | 25 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Year introduced | 1978 |
Replacements:
If you have a National Semiconductor 99 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: