Casio FX-85ES PLUS User Manual

Var Sub-menu ( (STAT) (Var))
Select this menu
item:
When you want to obtain this:
(n)
Number of samples
(x) Mean of the sample data
(σ
x
) Population standard deviation
(s
x
) Sample standard deviation
MinMax Sub-menu ( (STAT) (MinMax))
Select this menu
item:
When you want to obtain this:
(minX) Minimum value
(maxX) Maximum value
Commands when Linear Regression Calculation (A+BX) Is Selected
Sum Sub-menu ( (STAT) (Sum))
Select this menu
item:
When you want to obtain this:
(∑x
2
)
Sum of squares of the X-data
(∑x)
Sum of the X-data
(∑y
2
)
Sum of squares of the Y-data
(∑y)
Sum of the Y-data
(∑xy)
Sum of products of the X-data and Y-data
(∑x
3
)
Sum of cubes of the X-data
(∑x
2
y)
Sum of (X-data squares × Y-data)
(∑x
4
)
Sum of biquadrate of the X-data
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Casio FX-85ES PLUS Specifications

General

Type	Scientific
Form factor	Pocket
USB port	No
Operation	256
Digits	12 digits
Display number of lines	- lines
Battery type	LR44
Power source	Battery/Solar
Auto power off	Yes
Battery life (max)	27300 h

Weight and Dimensions

Depth	161 mm
Width	80 mm
Height	12.2 mm
Weight	105 g