Accona MINI CARD EC-821A (EC-821A)
The Accona MINI CARD EC-821A is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 24 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V mercury cell. The calculator was manufactured in Holland.
Facts at a glance:
|Power Source||2x1.5V mercury cell|
If you have an Accona MINI CARD EC-821A that is no longer working, you can first try replacing the 2x1.5V 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: