Casio fx-82ZA PLUS II 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
(Q1) First quartile
(med) Median
(Q3) Third quartile
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
40

Casio fx-82ZA PLUS II Specifications

General

Display	Natural Textbook Display
Number of Functions	274
Power Source	Battery
Dimensions	13.8 x 77 x 165.5 mm
Weight	100 g
Display Digits	10 + 2 digits
Memory	9 variables
Operating Temperature	0°C to 40°C
Battery Type	AAA
Battery Life	Approx. 17, 000 hours