Why you can't get decimal answers straight away, you get a fraction! (Casio Calculator, fx-83GTPLUS) | Calculator, Standard form, Important life lessons
How to convert from a decimal to a fraction using the calculator Casio fx- 991MS - YouTube
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Quick and fast fraction to decimal conversion on Casio fx-991EX Classwiz | Learn to convert fraction to decimal and vice versa on the fastest non-programmable scientific calculator - Casio fx-991EX Classwiz.
Changing Between Fraction & Decimal Answers | Casio Classwiz fx-991CW | FORMAT - YouTube