National Semiconductor Mathematician
The National Semiconductor Mathematician is a scientific calculator with 8 digits precision and RPN (reverse polish notation) logic. It has 20 functions, 32 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is PP3 9V. Note: Novus Mathematician
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 20 |
| Keys | 32 |
| Precision | 8 |
| Logic | RPN |
| Display type | LED |
| Length | 150mm |
| Width | 75mm |
| Thickness | 31mm |
| Power Source | PP3 9V |
Replacements:
If you have a National Semiconductor Mathematician that is no longer working, you can first try replacing the PP3 9V battery. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.
We suggest the following current model as a replacement: