Casio FX-991ES User Guide - Page 10

Specifying the Input/Output Format, Specifying the Default Angle Unit, Specifying the Number - calculator

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• See "Adjusting Display Contrast" for information about how to use "]CONT'". Specifying the Input/Output Format For this input/output format: Math Linear Perform this key operation: 1N1(MthIO) 1N2(LineIO) • Math format causes fractions, irrational numbers, and other expressions to be displayed as they are written on paper. • Linear format causes fractions and other expressions to be displayed in a single line. Math Math Format Linear Format Specifying the Default Angle Unit To specify this as the default angle unit: Perform this key operation: Degrees 1N3(Deg) Radians 1N4(Rad) Grads 90° = π radians = 100 grads 2 1N5(Gra) Specifying the Number of Display Digits To specify this: Number of Decimal Places Number of Significant Digits Exponential Display Range Perform this key operation: 1N6(Fix)0-9 1N7(Sci)0-9 1N8(Norm)1(Norm1) or 2(Norm2) Calculation Result Display Examples • Fix: The value you specify (from 0 to 9) controls the number of decimal places for displayed calculation results. Calculation results are rounded off to the specified digit before being displayed. Example: 100 ÷ 7 = 14.286 (Fix3) 14.29 (Fix2) • Sci: The value you specify (from 1 to 10) controls the number of significant digits for displayed calculation results. Calculation results are rounded off to the specified digit before being displayed. Example: 1 ÷ 7 = 1.4286 × 10-1 (Sci5) 1.429 × 10-1 (Sci4) E-8

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E-8
•
See “Adjusting Display Contrast” for information about how to use
“
]
CONT
'
”.
Specifying the Input/Output Format
For this input/output format:
Perform this key operation:
Math
1N
1
(MthIO)
Linear
1N
2
(LineIO)
• Math format causes fractions, irrational numbers, and other
expressions to be displayed as they are written on paper.
• Linear format causes fractions and other expressions to be
displayed in a single line.
Specifying the Default Angle Unit
To specify this as the default
Perform this key operation:
angle unit:
Degrees
1N
3
(Deg)
Radians
1N
4
(Rad)
Grads
1N
5
(Gra)
90
°
=
radians = 100 grads
Specifying the Number of Display Digits
To specify this:
Perform this key operation:
Number of Decimal Places
1N
6
(Fix)
0
–
9
Number of Significant Digits
1N
7
(Sci)
0
–
9
Exponential Display Range
1N
8
(Norm)
1
(Norm1)
or
2
(Norm2)
Calculation Result Display Examples
• Fix: The value you specify (from 0 to 9) controls the number of
decimal places for displayed calculation results. Calculation results
are rounded off to the specified digit before being displayed.
Example: 100
÷
7 =
14.286 (Fix3)
14.29
(Fix2)
• Sci: The value you specify (from 1 to 10) controls the number of
significant digits for displayed calculation results. Calculation results
are rounded off to the specified digit before being displayed.
Example: 1
÷
7 =
1.4286
×
10
–1
(Sci5)
1.429
×
10
–1
(Sci4)
Linear Format
Math Format
Math
π
2