Casio fx-61F (ELECTRIC FORMULA 27)
The Casio fx-61F is a programmable calculator with 10 digits precision and algebraic logic. It has 44 keys, and an LCD (liquid crystal) display. In addition to the normal scientic functions and programmability (up to 30 steps), the calculator has 27 built-in formulae for electrical engineering and electronics, including Joule's and Coulomb's laws, resistance and impedance calculations and filter design.
Facts at a glance:
If you have a Casio fx-61F that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement: