E-21
SD
REG
SD
•
Example 2:
To convert rectangular coordinates (1, 3)
to polar coordinates (
r
,
) (Rad)
r
2
f
1
P
L
3
T
=
θ
1.047197551
0
o
• Press
0
n
to display the value of
r
, or
0
o
to dis-
play the value of
.
k
Engineering Notation Calculations
•
Example 1:
To convert 56,088 meters to kilometers
→
56.088
10
3
56088
=
J
(km)
•
Example 2:
To convert 0.08125 grams to milligrams
→
81.25
10
–3
0.08125
=
J
(mg)
Statistical
Calculations
Standard Deviation
Use the
F
key to enter the SD Mode when you want
to perform statistical calculations using standard de-
viation.
SD ...................................................................
F
2
• In the SD Mode and REG Mode, the
|
key operates as
the
S
key.
• Always start data input with
A
B
1
(Scl)
=
to clear
statistical memory.
• Input data using the key sequence shown below.
<
x
-data>
S
• Input data is used to calculate values for
n
,
Σ
x
,
Σ
x
2
,
o
,
σ
n
and
σ
n
-
1
, which you can recall using the key opera-
tions noted nearby.
