The Triumph LS822 is a scientific calculator with 8 digits precision and algebraic logic. It has 35 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 3x1.5V cell. Note: Adler LS822
Facts at a glance:
|Power Source||3x1.5V cell|
If you have a Triumph LS822 that is no longer working, you can first try replacing the 3x1.5V 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 model as a replacement: