The Adman 121 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 23 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Singapore. Note: Agilis 121
Facts at a glance:
If you have an Adman 121 that is no longer working, you can first try replacing the 2xAA 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: