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• Pol converts rectangular coordinates to polar coordinates, while Rec
converts polar coordinates to rectangular coordinates.
• Specify the angle unit before performing calculations.
Converting to Polar Coordinates (Pol)
Pol(X, Y) X: Specifies the rectangular coordinate X value
Y: Specifies the rectangular coordinate Y value
• Calculation result θ is displayed in the range of -180° < θ < 180°.
• Calculation result θ is displayed using the calculator’s angle unit.
• Calculation result
r
is assigned to variable X, while
θ
is assigned to Y.
Converting to Rectangular Coordinates (Rec)
Rec(
r, θ) r : Specifies the polar coordinate r value
θ : Specifies the polar coordinate θ value
• Input value θ is treated as an angle value, in accordance with the
calculator’s angle unit setting.
• Calculation result x is assigned to variable X, while y is assigned to Y.
• If you perform coordinate conversion inside of an expression instead of
a stand-alone operation, the calculation is performed using only the first
value (either the r-value or the X-value) produced by the conversion.
Example: Pol (√
2, √2) + 5 = 2 + 5 = 7
Rectangular-Polar Coordinate Conversion
Examples
Example 1: (X, Y) = (√2, √2) → (r, θ) (Angle Unit: Degree)
(MathI/MathO)
(Pol) 2 (,) 2
(LineI/LineO)
(Pol) 2 (,) 2
Example 2: (X, Y) = (√3, 1) → (
r
,
θ
) (Angle Unit: Radian)
(MathI/MathO)
(Pol) 3 (,) 1
54
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