20060301
Calculation Modes
The Main application has a number of different modes, as described under “Using Main
Application Modes” on page 2-1-4. The display format of calculation results depends on the
currently selected Main application mode. This section tells you which mode you need to
use for each type of calculation, and explains the differences between the calculation results
produced by each mode.
• All of the following calculation examples are shown using the Algebra mode only.
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Standard Mode and Decimal Mode
The Standard mode displays calculation results in mathematical expression format whenever
possible, while the decimal mode converts calculation results to a decimal form. When the
Decimal mode is selected, you can control the use of exponential notation with the [Number
Format] setting on the Basic Format dialog box (page 1-9-5).
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Examples of Decimal mode and Standard mode result displays
Expression
Decimal Mode Result Standard Mode Result
50 ÷ 4 = 12.5 12.5
25
2
100 ÷ 6 = 16.6666666... 16.66666667
50
3
2 + 2 = 3.414213562... 3.414213562 2 +
2
3.5
2
÷ 3 + 2.5 = 6.583333333... 6.583333333
79
12
π
= 3.1415926535... 3.141592654
π
sin (2.1
π
)
×
5 = 1.5450849718... 1.545084972
5
·
( 5
− 1 )
4
• The Decimal mode results in the above table show what would appear on the display when
“Normal 1” is selected for the [Number Format] setting on the Basic Format dialog box.
2-2-6
Basic Calculations
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