Fraction Calculations - Casio FX-7400G User Manual

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 u u u u To input a fraction
Operation
Proper Fraction or Improper Fraction Input: <numerator value>$<denominator value>
Mixed Fraction Input: <integer value>$<numerator value>$<denominator value>
Example To input 3
Press d$b$e.
Note that the maximum size of a fractional value is 10 digits, counting the integer,
numerator, and denominator digits and separator symbols. Any value longer than
10 digits is automatically converted to its equivalent decimal value.
(2) Performing Fraction Calculations
2
–– + 3 ––
Example
5
Ac$f+d$b$ew
u u u u u To convert between fraction and decimal values
Operation
Fraction to Decimal Conversion: M
Decimal to Fraction Conversion: M
Basic Calculations
3 ––
4
1 ––
4
1 ––
4
1
4
Chapter 2
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