Formula Calculation Functions
The formula functions get different formula results due to inputting
different variable value. The built-in formula in this calculator has 38
common formulas. Press key to display the stored formula in
sequence.
You bought 20 large sized pizza for the party. The size is supposed to
be 30 cm diameter. Their sizes were, however, varied as shown below.
Statistical Calculation Examples
Diameter
Midpoint
Frequency
27.6 ~ 28.5
28
2
28.6 ~ 29.5
29
4
29.6 ~ 30.5
30
5
30.6 ~ 31.5
31
6
31.6 ~ 32.5
32
3
(20 in total)
Specify 4 (decimal places)
"28" x 2
"29" x 4
"30" x 5
"31" x 6
"32" x 3
Totel number of sample
Mean
Sum of the values
Square sum of value
Standard deviation of sample
Standard deviation of
population
Operation Display Explanation
(FIX)
2nd
2nd
2nd
2nd
2nd
2nd
2nd
2nd
2nd
2nd
2nd
FRQ
FRQ
FRQ
FRQ
FIX
FMLA
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