Henning Dynesen HD2200S (Super Calculator)
The Henning Dynesen HD2200S is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 29 keys, and an LCD (liquid crystal) display. The power source is 3V cell.
Facts at a glance:
|Power Source||3V cell|
If you have a Henning Dynesen HD2200S that is no longer working, you can first try replacing the 3V cell battery. 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: