The Casio SL-300SV is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 25 keys, and an LCD (liquid crystal) display. The power source is Solar. The calculator was manufactured in Japan.
Facts at a glance:
You can download the Casio SL-300SV manual from the manuals website. If this doesn't work, you can also try this alternative download link.
If you have a Casio SL-300SV that is no longer working, it's probably easiest to just buy a new one, as this model is still currently available.