Kengineering Notation Calculations; Statistical Calculations; Standard Deviation - Casio fx-270MS User Manual

• Example 2: To convert rectangular coordinates (1, 3)
to polar coordinates (r, ) (Rad)
2
r
θ
1.047197551
0 n
• Press
play the value of .
k Engineering Notation Calculations
• Example 1: To convert 56,088 meters to kilometers
→ 56.088
• Example 2: To convert 0.08125 grams to milligrams
→ 81.25
Statistical
Calculations

Standard Deviation

F
Use the
to perform statistical calculations using standard de-
viation.
SD ...................................................................
• In the SD Mode and REG Mode, the
S
the key.
• Always start data input with
statistical memory.
• Input data using the key sequence shown below.
x
< -data>
• Input data is used to calculate values for
σ σ
and
n
tions noted nearby.
to display the value of
3
10
(km)
–3
10
(mg)
key to enter the SD Mode when you want
S
, which you can recall using the key opera-
n-
1
f
A B 1
E-21
P L
1 3
0 o
r
, or
56088
0.08125
SD
REG
SD
F 2
|
key operates as
=
(Scl)
Σx
n
,
T =
0 o
to dis-
= J
= J
to clear
Σx
o
2
, , ,