24
Coordinate Conversion
Rectangular coordinates
P (x,y)
y
x
o
y
x
y
P (r,
θ
)
x
o
r
Polar coordinates
θ
C onverts rectangular coordinates to polar coordinates (x,y r,
θ
)
C onverts polar coordinates to rectangular coordinates (r,
θ
x, y)
Splits data used for dual-variable data input.
Displays r, θ and x, y. ( Cx y or r
θ
)
←
←
←
←
<Example> Determine the polar coordinates (r, θ) when the rectangu-
lar coordinates of Point P are (x = 7, y = 3).
[ D E G m ode]
A P P L IC AT IO N S :
C oordinate conversion is often used in mathematics and engineering, espe-
cially for impedance calculations in electronics and electrical engineering.
73
7.6
23.2
O per ation D isplay
←
←
O peration example using the EL-531VH/
EL-509V
For the EL-506R, select r,
θ
and x, y from the MATH key
←
←
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