FX-991ES Plus 2nd edition | Technical & scientific calculator | School and graphic calculators | Products | CASIO
how to make default from fraction to decimal value in calculator fx 570VN or fx 991ES PLUS avi - YouTube
My calculator is giving me answers in fractions when using decimals and division. How do I change it back to giving me answers in whole numbers and decimals? - Quora
Casio fx-570ES PLUS, fx-991ES PLUS Percent Calculations, Degree, Minute, Second (Sexagesimal) Calculations, Multi-Statements, Using Engineering Notation
How to simplify a radical with a Casio Fx‑991ms calculator - Quora
Casio FX991ES Plus - Inputting recurring decimals? - The Student Room
Casio Calculator Fractions to Decimals (and back) - YouTube