The Casio HS-8VA is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 24 keys, and an LCD (liquid crystal) display. The power source is Solar + LR54 cell.
Facts at a glance:
|Power Source||Solar + LR54 cell|
If you have a Casio HS-8VA that is no longer working, it's probably easiest to just buy a new one, as this model is still currently available.