HP 15c Collector's Edition

Section 2: Numeric Functions 31
Rectangular Conversion. Pressing ´ ; (rectangular) converts a set
of polar coordinates (magnitude r, angle θ) into rectangular coordinates
(x, y). θ must be entered first, then r. Upon executing ´ ;, x will be
displayed first; press ® to display y.
Keystrokes Display
| D Set to Degrees mode (no annunciator).
5 v
5.0000
y-value.
10 10
x-value.
| :
11.1803
r.
®
26.5651
θ; rectangular coordinates converted
to polar coordinates.
30 v
30.0000
θ.
12 12
r.
´ ;
10.3923
x-value.
®
6.0000
y-value. Polar coordinates converted
to rectangular coordinates.
Y
y
X
x
θ
r
:
;