Hewlett-Packard HP 97S (Topcat RICOCHET)
The Hewlett-Packard HP 97S is a programmable calculator with 12 digits precision and RPN (reverse polish notation) logic. It has 108 functions, 71 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4x1.2V NiCd battery pack. Note: HP97 with a BCD link in TTL on a 50 pins connector.
Facts at a glance:
|Power Source||4x1.2V NiCd battery pack|
If you have a Hewlett-Packard HP 97S that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement: