Casio fx-3650P - Manual (Page 27)

E-25
• Example 2: To convert rectangular coordinates (1, 3) to polar
coordinates ( r ,
␪
) (Angle unit: Rad)
r ҃
2
A f
1
P L
3
T <
θ ҃
1.047197551
0
y
• Press
0
x
to display the value of r , or
0
y
to display the value of
␪
.
kEngineering Notation Calculations
• Example 1: To convert 56,088 meters to kilometers
→ 56.088
҂10
3 56088
< J
• Example 2: To convert 0.08125 grams to milligrams
→ 81.25
҂10
–3 0.08125
< J
Statistical Calculations
Standard Deviation
Use the
F
key to enter the SD Mode when you want to perform
statistical calculations using standard deviation.
SD ........................................................................................... F F 1
• 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 , Σx , Σx 2 , o , σ
n and σ
n - 1
, which
you can recall using the key operations noted nearby.
SD REG
SD
To recall this type of value: Perform this key operation:
Σx 2 A U 1
Σx A U 2
n A U 3
o A X 1
σ
n
A X 2
σ
n –1
A X 3
(km)
(mg)