Hewlett-Packard HP 33s (F2216A)
  The Hewlett-Packard HP 33s is a programmable calculator with 10 digits precision and RPN (reverse polish notation) logic. It has 48 keys, and an LCD (liquid crystal) display. The power source is 2x3V cell.
Facts at a glance:
| Feature | Value | 
|---|---|
| Type | Programmable | 
| Keys | 48 | 
| Precision | 10 | 
| Logic | RPN | 
| Display type | LCD | 
| Length | 158mm | 
| Width | 83mm | 
| Thickness | 16mm | 
| Weight | 119g | 
| Power Consumption | 0.030000W | 
| Power Source | 2x3V cell | 
| Year introduced | 2004 | 
Replacements:
If you have a Hewlett-Packard HP 33s that is no longer working, you can first try replacing the 2x3V cell. 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: