HP 33s User Manual page 224

Vector addition and subtraction:
Cross product:
v
1
Dot Product:
Angle between vectors ( ):
where
v = X i + Y j + Z k
1
and
v = U i + V j + W k
2
The vector displayed by the input routines (LBL P and LBL R) is V
15–2
Mathematics Programs
v + v = ( X + U ) i + ( Y + V ) j + ( Z + W ) k
1 2
v – v = ( U – X ) i + ( V – Y ) j + ( W – Z ) k
2 1
v = ( YW – ZV ) i + ( ZU – XW ) j + ( XV – YU ) k
2
D = XU + YV + ZW
G = arccos
D
R R
1
2
.
1