Hewlett-Packard HP 65 (Classic SUPERSTAR)
The Hewlett-Packard HP 65 is a programmable calculator with 12 digits precision and RPN (reverse polish notation) logic. It has 87 functions, 35 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 3xAA NiCd pack. Note: Includes magnetic card reader. First pocket sized programmable calculator
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Programmable |
| Functions | 87 |
| Keys | 35 |
| Precision | 12 |
| Logic | RPN |
| Display type | LED |
| Length | 147mm |
| Width | 81mm |
| Thickness | 33mm |
| Weight | 310g |
| Power Source | 3xAA NiCd pack |
| Original price | $795 |
| Year introduced | 1974 |
| Year discontinued | 1977 |
Replacements:
If you have a Hewlett-Packard HP 65 that is no longer working, you can first try replacing the 3xAA NiCd pack. 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: