Sinclair Scientific
The Sinclair Scientific is a scientific calculator with 5 digits precision and RPN (reverse polish notation) logic. It has 17 functions, 18 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 4xAAA batteries.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 17 |
| Keys | 18 |
| Precision | 5 |
| Logic | RPN |
| Display type | LED |
| Length | 112mm |
| Width | 51mm |
| Thickness | 18mm |
| Weight | 56g |
| Power Source | 4xAAA batteries |
| Original price | $69 |
| Year introduced | 1974 |
| Year discontinued | 1975 |
Replacements:
If you have a Sinclair Scientific that is no longer working, you can first try replacing the 4xAAA batteries. 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: