55
Calculations with engineering notation
Example 1: Convert 56088 meters to kilometers.
56088
Example 2: Convert 0.08125 gram to milligrams.
0.08125
Statistical Calculations
Note!
Use the
key to activate SD mode to complete statistical
calculations using standard deviation.
SD:
Standard Deviation (SD mode)
D When SD mode and Reg mode are activated, the key operates
as the
key.
D Always begin entering data by pressing the key sequence
(Scl) to clear the statistical memory.
D Enter data using the following key sequence. <x-data> .
D The data entered is used to calculate the values for n, ∑χ, ∑χ², χ,
σ
n
, σ
n
-1
which can then be called in by pressing the following keys.
Recall the value: Execute this key operation:
∑χ²
∑χ
n
χ
σ
n
σ
n
-1
Example 1: Calculate σ
n
-1
, σ
n
, χ, n, ∑χ, ∑χ² for the following data:
55, 54, 51, 55, 53, 53, 54, 52
The following key combination is available in SD mode:
(Scl) (Stat clear)
55
56.088
03
81.25
-03
n=
SD
1.
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