Casio Maths UK on Twitter: "Why aren't power/exponents being calculated properly when I use the [EXP] key? #CASIO #991EX #ALevelMaths #FAQ https://t.co/u2yuqsM43Y" / Twitter
The Casio fx-260 Solar Calculator Guide
ALGEBRA FX 2.0 PLUS | SCHOOL & LAB. | Calculators | CASIO