HP -32S Owner's Manual page 63

To convert between rectangular coordinates (x, y) and polar
coordinates (r, 0):
1. First enter the coordinates (in rectangular form or polar form)
that you want to convert. The order is y Ienter Ix or 61 enter Ir.
2. Press (ICp^REcTI.
3. Execute the conversion you want: {y,x+8,r } (rectangular to po
lar) or {Q,r+ytx} (polar to rectangular). The converted
coordinates occupy the X- and Y-registers.
4. The resulting display shows either r (polar result) or x (rectangu-
| x*y | to see 0 or y.
/
X
Y
y
6
X
x r
Q,r*y,x
/
Example: Polar to Rectangular Conversion. Find x and y in the
right triangle on the left. Find r and 0 in the right triangle on the right.
4: Real-Number Functions 61