Casio fx-5800P User Manual page 49

A Syntax and Input
Rectangular-to-Polar Coordinate Conversion (Pol)
x y
Pol( , )
x
: Rectangular coordinate
y
: Rectangular coordinate
Polar-to-Rectangular Coordinate Conversion (Rec)
r
Rec( , )
r
: Polar coordinate
: Polar coordinate -value
Example 1: To convert the rectangular coordinates (
Example 2: To convert the polar coordinates (2, 30˚) to rectangular coordinates
A Remarks
• These functions can be used in the COMP Mode.
r x
• The -value or -value produced by the calculation is assigned to variable I, while the
y
-value or -value is assigned to variable J (page 34).
• The values obtained for
coordinates is within the range –180° <
• When executing a coordinate conversion function inside of a calculation expression, the
calculation is performed using the fi rst coordinate that the conversion produces (
x
-value).
'
Example: Pol ( 2,
x
-value
y
-value
r
-value
when converting from rectangular coordinates to polar
'
2 ) + 5 = 2 + 5 = 7
' '
2, 2 ) to polar coordinates
+ (Pol) 2)
, 2))
+ (Pol) 2
, 2 )
- (Rec) 2,
30)
180°.
E-48
r
-value or