34
Rectangular-to-Polar Conversions
Pressing
[2
nd
][R > P]
converts rectangular coordinates (
x,y
)
to polar coordinates (
r,
θ
).
Example:
Convert the rectangular coordinates (10,8) to
polar coordinates.
Sequence Keystroke
Display
Enter x and y
10 [2
nd
][x
Ù
y] 8
8
Value of
θ
[2
nd
][R >
⎜
P]
12.806248
Value of
r
[2
nd
][x
Ù
y]
38.659808
Value of
θ
[2
nd
][x
Ù
y]
12.806248
To alternate between the two converted values (r and
θ
),
press
[2
nd
][x
Ù
y]
repeatedly.
35
Polar-to-Rectangular Conversions
Pressing
[2
nd
][P > R]
converts polar coordinates (
r,
θ
) to
rectangular coordinates (
x,y
).
Example:
Convert the polar coordinates (5, 30°) to
rectangular coordinates.
Sequence Keystroke
Display
Enter
r
and
θ
5 [2
nd
][x
Ù
y] 30
30
Value of
y
[2
nd
][P > R]
4.330127
Value of
x
[2
nd
][x
Ù
y]
2.5
Value of
y
[2
nd
][x
Ù
y]
4.330127
To alternate between the two converted values (
x
and
y
),
press
[2
nd
][x
Ù
y]
repeatedly.
