National Semiconductor 203R
The National Semiconductor 203R is an arithmetic calculator with algebraic logic. It has a VFD (vacuum fluorescent) display. The power source is 3xAAA batteries.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Logic | Algebraic |
| Display type | VFD |
| Length | 140mm |
| Width | 70mm |
| Power Source | 3xAAA batteries |
Replacements:
If you have a National Semiconductor 203R that is no longer working, you can first try replacing the 3xAAA 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: