Po l – Casio fx-50F PLUS User Manual
Page 31
E-30
A Syntax and Input
Rectangular-to-Polar Coordinate Conversion (Pol)
Pol(
x
,
y
)
x
: Rectangular coordinate
x
-value
y
: Rectangular coordinate
y
-value
Polar-to-Rectangular Coordinate Conversion (Rec)
Rec(
r
,
Ƨ
)
r
: Polar coordinate
r
-value
Ƨ
: Polar coordinate
Ƨ
-value
Example 1: To convert the rectangular coordinates (
'
2,
'
2 ) to polar coordinates
(Angle Unit: Deg)
1+(Pol) 92)
,92))E
(View the value of
Ƨ
)
t,(Y)
Example 2: To convert the polar coordinates (2, 30°) to rectangular coordinates
(Angle Unit: Deg)
1-(Rec)2,
30)E
(View the value of
y
)
t,(Y)
A Notes
• These functions can be used in the COMP, SD, and REG Modes.
• Calculation results show the fi rst
r
value or
x
value only.
• The
r
-value (or
x
-value) produced by the calculation is assigned to variable X, while the
Ƨ
-value (or
y
-value) is assigned to variable Y (page 22). To view the
Ƨ
-value (or
y
-value),
display the value assigned to variable Y, as shown in the example.
• The values obtained for
Ƨ
when converting from rectangular coordinates to polar
coordinates is within the range –180°<
Ƨ
< 180°.
• When executing a coordinate conversion function inside of a calculation expression, the
calculation is performed using the fi rst value produced by the conversion (
r
-value or
x
-
value).
Example: Pol (
'
2,
'
2 ) + 5 = 2 + 5 = 7
Po l
(
'
(
2
)
,
'
(
2
) )
2
Po l
(
'
(
2
)
,
'
(
2
) )
2
Y
45
Y
45
Rec
(
2 , 30
)
1732050808
Rec
(
2 , 30
)
1732050808
Y
1
Y
1