HP 33s User Manual page 136

imaginar y
Example: Vector Addition.
Add the following three loads. You will first need to convert the polar coordinates
to rectangular coordinates.
170 lb
Keys:
Ý
{  }
Ï º ±
62 185
Ï º ±
143 170
¹ c Ù
Ï º ±
261 100
9–6
Operations with Complex Numbers
r
L 2
o
143
L 3
o
100 lb 261
Display:









(a, b)
real
y
185 lb
L 1
Description:
Sets Degrees mode.
Enters L
rectangular form.
Enters and converts L
Adds vectors.
Enters and converts L
o
62
x
and converts it to
1
.
2
.
3