K fraction calculations – Casio fx-115ES User Manual
Page 22
E-20
Example: (2 + 3)
× (4 – 1) = 15
LINE
(2+3)*
(4-1=
k Fraction Calculations
How you should input fractions depends on the input/output format
that is currently selected.
• Under initial default settings, fractions are displayed as improper
fractions.
• Fraction calculation results are always reduced before being
displayed.
Appendix
2
1
7
<#001> — + — = —
3
2
6
1
2
11
<#002> 3 — + 1 — = 4 — (Fraction Display Format: ab/c)
4
3
12
1
1
4 – 3 — = — (Fraction Display Format: ab/c)
2
2
• If the total number of digits used for a mixed fraction (including
integer, numerator, denominator, and separator symbols) is greater
than 10, the value is automatically displayed in decimal format.
• The result of a calculation that involves both fraction and decimal
values is displayed in decimal format.
Switching between Improper Fraction and Mixed
Fraction Format
Pressing the 1
f(
a —
⇔
—
b
c
d
c
) key toggles the display fraction
between mixed fraction and improper fraction format.
Denominator
Improper Fraction
Mixed Fraction
Math
Format
Linear
Format
7
3
1
3
2
7 { 3
2 { 1 { 3
Numerator Denominator Integer Part
Numerator
(
'7c3)
(1
'(()2e1c3)
(7
'3)
(2
'1'3)