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K coordinate conversion – Casio SERIES FX-9860G User Manual

Page 92

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Function Calculations

k Coordinate Conversion

u Rectangular Coordinates

u Polar Coordinates

• With polar coordinates,

Ƨ can be calculated and displayed within a range of

–180°<

Ƨ < 180° (radians and grads have same range).

• Be sure to specify Comp for Mode in the Setup screen.

Example

Operation

Calculate

r and

Ƨ° when x = 14 and y = 20.7

!m(SET UP)cccccc
1(Deg)J

K6(g)5(ANGL)6(g)1(Pol()
14,20.7)

wJ

Calculate

x and y when r = 25 and

Ƨ = 56°

2(Rec()25,56)w

1 24.989

24.98979792 (r)

2 55.928

→ 55.92839019 ( )

θ

1 24.989

24.98979792 (r)

2 55.928

→ 55.92839019 ( )

θ

1 13.979

13.97982259 (x)

2 20.725

→ 20.72593931 (y)

1 13.979

13.97982259 (x)

2 20.725

→ 20.72593931 (y)