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2-4-9
Function Calculations
k Coordinate Conversion
u Rectangular Coordinates u Polar Coordinates
• With polar coordinates, θ can be calculated and displayed within a range of
–180°< θ < 180° (radians and grads have same range).
• Be sure to specify Comp for Mode in the Setup screen.
Example Operation
Calculate r and θ ° when x = 14 and y = 20.7
!m (SET UP)cccccc
1 (Deg)J
K 6 (g )5 (ANGL)6 (g )1 (Pol()
14 , 20.7 ) wJ
Calculate x and y when r = 25 and θ = 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)
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