Casio FX300ES User Guide - Page 21

Basic Calculations

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Basic Calculations (COMP) This section explains how to perform arithmetic, fraction, percent, and sexagesimal calculations. All calculations in this section are performed in the COMP Mode (N1). k Arithmetic Calculations Use the +, -, *, and / keys to perform arithmetic calculations. Example: 7 × 8 - 4 × 5 = 36 LINE 7*8-4*5= • The calculator automatically judges the calculation priority sequence. For more information, see "Calculation Priority Sequence". Number of Decimal Places and Number of Significant Digits You can specify a fixed number of decimal places and significant digits for the calculation result. Example: 1 ÷ 6 = LINE Initial default setting (Norm1) FIX 3 decimal places (Fix3) SCI 3 significant digits (Sci3) • For more information, see "Specifying the Number of Display Digits". 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. E-19

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E-19
Basic Calculations
(COMP)
This section explains how to perform arithmetic, fraction, percent,
and sexagesimal calculations.
All calculations in this section are performed in the COMP Mode
(
N
1
).
k
Arithmetic Calculations
Use the
+
,
-
,
*
, and
/
keys to perform arithmetic calculations.
Example:
7
×
8 – 4
×
5 = 36
LINE
7*8-4*5=
• The calculator automatically judges the calculation priority
sequence. For more information, see “Calculation Priority
Sequence”.
Number of Decimal Places and Number of
Significant Digits
You can specify a fixed number of decimal places and significant
digits for the calculation result.
Example:
1
÷
6 =
LINE
Initial default setting (Norm1)
3 decimal places (Fix3)
FIX
3 significant digits (Sci3)
SCI
•
For more information, see “Specifying the Number of Display Digits”.
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.