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:
|Power Source||2x3V cell|
If you have a Hewlett-Packard HP 35s that is no longer working, you can first try replacing the 2x3V cell batteries. 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.