HP 33s - Manual (Page 136)

9–6 Operations with Complex Numbers
r
real
(a, b)
imaginary
θ
Example: Vector Addition.
Add the following three loads. You will first need to convert the polar coordinates
to rectangular coordinates.
y
185 lb 62
o
100 lb 261
o
170 lb 143
o
L 1
L 2
L 3
x
Keys: Display: Description:
Ÿ {} Sets Degrees mode.
62 ‘ 185 | s
)
)
Enters L
1
and converts it to
rectangular form.
143 ‘ 170 | s
)
.)
Enters and converts L
2
.
{ G ›
)
.) Adds vectors.
261 ‘ 100 | s
.)
.) Enters and converts L
3
.