Casio fx-3650P User Manual

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, σn and σn-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)

Casio fx-3650P Specifications

General

Type	Scientific
Form factor	Pocket
Housing material	Plastic
Digits	12 digits
Digit comma separator	Yes
Display number of lines	2 lines
Digit comma separator format	Standard (3 digits)
Battery type	LR44
Number of batteries supported	1

Weight and Dimensions

Weight	100 g
Dimensions (WxDxH)	78 x 157 x 12 mm