HP 33s Scientific manual 6Operations with Complex Numbers, Example Vector Addition

imaginary

(a, b)

r

θ

real

Example: Vector Addition.

Add the following three loads. You will first need to convert the polar coordinates to rectangular coordinates.

	y
L 2	185 lb 62 o
170 lb 143 o	L 1

x

L 3

100 lb 261 o

Keys:	Display:
Ÿ{}	

￿ 62 ‘185 s  )  )

￿ 143 ‘170 s ) 

.) 

{G›  ) 

.) ￿ 261 ‘100 s .) 

.) 

Description:

Sets Degrees mode. Enters L1 and converts it to rectangular form.

Enters and converts L2.

Adds vectors.

Enters and converts L3.

9–6Operations with Complex Numbers