Casio fx-7400G PLUS Basic Operation - Manual (Page 11)

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Basic Calculations Chapter 2
8. Fraction Calculations
(1) Fraction Display and Input
Example 1 Display of
Example 2 Display of 3
Mixed fractions (such as 3 1/4) are input and displayed as:
integer{numerator{denominator.
Improper fractions (15/7) and proper fractions (such as 1/4) are input and displayed
as: numerator{denominator.
Use the $ key to input each part of a fraction.
u uu u uTo input a fraction
Operation
Proper Fraction or Improper Fraction Input: $
Mixed Fraction Input: $$
Example To input 3
Press d$b$e.
Note that the maximum size of a fractional value is 10 digits, counting the integer,
numerator, and denominator digits and separator symbols. Any value longer than
10 digits is automatically converted to its equivalent decimal value.
(2) Performing Fraction Calculations
Example
Ac$f+d$b$ew
u uu u uTo convert between fraction and decimal values
Operation
Fraction to Decimal Conversion: M
Decimal to Fraction Conversion: M
2 1
–– + 3––
5 4
3
––
4
1
––
4
1
––
4