Hewlett-Packard HP 35 (Classic)
The Hewlett-Packard HP 35 is a scientific calculator with 12 digits precision and RPN (reverse polish notation) logic. It has 26 functions, 35 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 3xAA NiCd pack. The calculator was manufactured in USA.
The HP-35 was Hewlett-Packard's first pocket calculator and the world's first scientific pocket calculator with trigonometric and exponential functions. It had a three year production run and sold 300,000 units.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 26 |
| Keys | 35 |
| Precision | 12 |
| Logic | RPN |
| Display type | LED |
| Length | 147mm |
| Width | 81mm |
| Thickness | 33mm |
| Weight | 255g |
| Power Source | 3xAA NiCd pack |
| Country | USA |
| Year introduced | 1972 |
| Year discontinued | 1975 |
Replacements:
If you have a Hewlett-Packard HP 35 that is no longer working, you can first try replacing the 3xAA NiCd pack 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: