Casio fx-115W (S-V.P.A.M.)
The Casio fx-115W is a scientific calculator with 12 digits precision and formula input logic. It has 50 keys, and an LCD (liquid crystal) display.
Facts at a glance:
You can download the Casio fx-115W manual from this external link.
Note that diagnostic tests generally delete any data on the calculator. Be sure to back up any important information held in the calculator before running these tests.
Hold down SHIFT key and press reset button (on reverse - press pin into hole marked P). Press SHIFT to cycle through 5 display tests. Press REPLAY> key to enter keypad test (display flickers when a key is pressed). Use reset button to exit test.
If you have a Casio fx-115W that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement: