Casio Calculator fx-115ES User Manual

4.4

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Owner's of the Casio Calculator fx-115ES gave it a score of 4.4 out of 5. Here's how the scores stacked up:

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    4.38 out of 5

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    4.5 out of 5

  • Ease of Use

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E-21
Omitting a Final Closed Parenthesis
You can omit any closed parenthesis (
)
) immediately preceding
operation of the = key at the end of a calculation.
This is true only in the case of Linear format.
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
217
<#001> — + — = —
326
1211
<#002> 3 — + 1 — = 4
—
(Fraction Display Format: ab/c)
4312
11
4 – 3 — =
—
(Fraction Display Format: ab/c)
22
• 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 1f(
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 { 32 { 1 { 3
Numerator Denominator
Integer Part
Numerator
('7c3)(1'(()2e1c3)
(7'3)(2'1'3)

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