The Hermes Administrator is an arithmetic calculator with algebraic logic. It has 5 functions, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4x mercury cell.
Facts at a glance:
|Power Source||4x mercury cell|
If you have a Hermes Administrator that is no longer working, you can first try replacing the 4x mercury cell batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: