Olympia LCD 9210 Manual De Usuario página 55

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