Casio FX-991ES User Guide - Page 11

Specifying the Complex Number Display Format

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• Norm: Selecting one of the two available settings (Norm1, Norm2) determines the range in which results will be displayed in nonexponential format. Outside the specified range, results are displayed using exponential format. Norm1: 10-2 > x, x > 1010 Norm2: 10-9 > x, x > 1010 Example: 1 ÷ 200 = 5 × 10-3 (Norm1) 0.005 (Norm2) Specifying the Fraction Display Format To specify this fraction display format: Mixed Improper Perform this key operation: 1Nc1(ab/c) 1Nc2(d/c) Specifying the Complex Number Display Format To specify this complex Perform this key operation: number format: Rectangular Coordinates 1Nc3(CMPLX)1(a+bi) Polar Coordinates 1Nc3(CMPLX)2(r∠θ) Specifying the Statistical Display Format Use the following procedure to turn display of the frequency (FREQ) column of the STAT Mode STAT editor screen on or off. To specify this: Show FREQ Column Hide FREQ Column Perform this key operation: 1Nc4(STAT)1(ON) 1Nc4(STAT)2(OFF) Specifying the Decimal Point Display Format To specify this decimal point display format: Dot (.) , Comma ( ) Perform this key operation: 1Nc5(Disp)1(Dot) 1Nc5(Disp)2(Comma) • The setting you configure here is applied for calculation results . only. The decimal point for input values is always a dot ( ). E-9

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E-9
•
Norm: Selecting one of the two available settings (Norm1, Norm2)
determines the range in which results will be displayed in non-
exponential format. Outside the specified range, results are
displayed using exponential format.
Norm1: 10
–2
>
x
,
x
>
10
10
Norm2: 10
–9
>
x
,
x
>
10
10
Example: 1
÷
200 = 5
×
10
–3
(Norm1)
0.005
(Norm2)
Specifying the Fraction Display Format
To specify this fraction
Perform this key operation:
display format:
Mixed
1N
c
1
(ab/c)
Improper
1N
c
2
(d/c)
Specifying the Complex Number Display Format
To specify this complex
number format:
Perform this key operation:
Rectangular Coordinates
1N
c
3
(CMPLX)
1
(
a
+
b
i
)
Polar Coordinates
1N
c
3
(CMPLX)
2
(
r
∠
θ
)
Specifying the Statistical Display Format
Use the following procedure to turn display of the frequency (FREQ)
column of the STAT Mode STAT editor screen on or off.
To specify this:
Perform this key operation:
Show FREQ Column
1N
c
4
(STAT)
1
(ON)
Hide FREQ Column
1N
c
4
(STAT)
2
(OFF)
Specifying the Decimal Point Display Format
To specify this decimal
Perform this key operation:
point display format:
Dot (
.
)
1N
c
5
(Disp)
1
(Dot)
Comma (
,
)
1N
c
5
(Disp)
2
(Comma)
• The setting you configure here is applied for calculation results
only. The decimal point for input values is always a dot (
.
).