The Toshiba LC-840WA is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 31 keys, and an LCD (liquid crystal) display. The power source is 2xLR44. The calculator was manufactured in Japan. Note: time
Facts at a glance:
If you have a Toshiba LC-840WA that is no longer working, you can first try replacing the 2xLR44 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: