CASIO FX 260
SOLAR SCIENTIFIC CALCULATOR
10
STATISTICS
Entering and Analyzing Statistical Data
Enter the statistics mode (SD) by pressing
w.
.
Cancle FIX and SCI settings by pressing
w9
.
Pressing
w0
(COMP) exits the SD mode and clears all data.
q
C
SAC
Clears statistical memory; be sure to perform this operation before
inputting new data.
m
DATA
Inputs the displayed value as data. Press
m
DATA
twice to input two
entries if the same value.
(NOTE): This is the
m
key.)
q
Deletes the displayed value as data.
NOTE: You can input multiple entries of the same data using
O
.
To input 100 ten times, press
100O10
m
DATA
q
n
6
After entering data, you can retrieve the following values:
q
σ
n
-1
9
Sample standard deviation.
q
σ
n
8
Population standard deviation.
q
x
7
Arithmetic mean.
q
n
6
Number of data items.
q
∑
x
5
Sum of data.
q
∑
x
2
4
Sum of the squares.
