The Detron 830D is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 23 keys, and a VFD (vacuum fluorescent) display. The power source is 1.5V mercury cell. Note: Also marketed under the brand name "Caltek"
Facts at a glance:
|Power Source||1.5V mercury cell|
If you have a Detron 830D that is no longer working, you can first try replacing the 1.5V mercury 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: