Hewlett-Packard HP 35s (F2215A)
The Hewlett-Packard HP 35s is a programmable calculator with 10 digits precision and RPN (reverse polish notation) logic. It has 100 functions, 48 keys, and an LCD (liquid crystal) display. The power source is 2x3V cell. The calculator was manufactured in China. Note: 35th anniversary edition of HP-35 (re-engineered HP 33s). Also supports algebraic logic.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Programmable |
| Functions | 100 |
| Keys | 48 |
| Precision | 10 |
| Logic | RPN |
| Display type | LCD |
| Length | 158mm |
| Width | 82mm |
| Thickness | 18mm |
| Weight | 125g |
| Power Source | 2x3V cell |
| Country | China |
| Original price | $50 |
| Year introduced | 2007 |
| Current price | amazon.com |
User Manual
You can download the Hewlett-Packard HP 35s manual from the manuals website. If this doesn't work, you can also try this alternative download link.
Replacements:
If you have a Hewlett-Packard HP 35s that is no longer working, you can first try replacing the 2x3V cell. If that doesn't solve the problem, then it's probably easiest to just buy a new one, as this model is still currently available.