The Prinztronic MC99 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 21 keys, and a VFD (vacuum fluorescent) display. The power source is 6xAA sealed. Note: Has no equals key.
Facts at a glance:
|Power Source||6xAA sealed|
If you have a Prinztronic MC99 that is no longer working, you can first try replacing the 6xAA sealed 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: