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Casio fx-50F PLUS Manual

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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
Pol
(
'
(
2
)
,'
(
2
))
2
Pol
(
'
(
2
)
,'
(
2
))
2
Y
45
Y
45
Rec
(
2, 30
)
1732050808
Rec
(
2, 30
)
1732050808
Y
1
Y
1
… 31 …


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