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Casio fx-991ES PLUS User Manual

Casio fx-991ES PLUS
84 pages
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Var Sub-menu ( (STAT) (Var))
Select this menu
item:
When you want to obtain this:
(n)
Number of samples
(x) Mean of the X-data
x
) Population standard deviation of the X-data
(s
x
) Sample standard deviation of the X-data
(y) Mean of the Y-data
y
) Population standard deviation of the Y-data
(s
y
) Sample standard deviation of the Y-data
Reg Sub-menu ( (STAT) (Reg))
Select this menu
item:
When you want to obtain this:
(A) Regression coefficient constant term A
(B) Regression coefficient B
(r) Correlation coefficient r
(xˆ)
Estimated value of X
(yˆ)
Estimated value of Y
MinMax Sub-menu ( (STAT) (MinMax))
Select this menu
item:
When you want to obtain this:
(minX) Minimum value of the X-data
(maxX) Maximum value of the X-data
(minY) Minimum value of the Y-data
(maxY) Maximum value of the Y-data
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Table of Contents

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Casio fx-991ES PLUS Specifications

General IconGeneral
TypeScientific
CoverNo
Form factorDesktop
Control typeButtons
Product colorGray
Digits15 digits
Display typeDot-matrix
Display resolution96 x 31 pixels
Display number of lines10 lines
Storage media typeNot available
Battery life3 year(s)
Battery typeLR44
Power sourceBattery/Solar
Number of batteries supported1
Symbolic notationSquare root
Conversion betweenDecimal, Fraction, Percent
Convert angles from degrees toGradian, Radian
Random number/integer generatorYes
Weight and Dimensions IconWeight and Dimensions
Depth162 mm
Width80 mm
Height11.1 mm
Weight95 g

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