HP -32S Owner's Manual page 173

6. Perform desired vector operation:
a. Add vectors by pressing IxeqI A;
b. Subtract vector one from vector two by pressing IXEQI S;
c. Compute the cross product by pressing IxeqI C;
d. Compute the dot product by pressing IxeqI D and the angle
between vectors by pressing IR/SI.
7. Optional: to review Vj in polar form, press IxeqI P, then press
Ir/s I repeatedly to see the individual elements.
8. Optional: to review Vj in rectangular form, press IXEQI R, then
press IR/SI repeatedly to see the individual elements.
9. If you added, subtracted, or computed the cross product, vj has
been replaced by the result. v2 is not altered. To continue cal
culations based on the result, remember to press IxeqI E before
keying in a new vector.
10. Go to step 2 to continue vector calculations.
Variables Used;
X, Y, Z
u, V, W
KT,P
D
G
The rectangular components of vj.
The rectangular components of v2.
The radius, the angle in the x-y plane (8), and the
angle from the Z axis of Vj ($).
The dot product.
The angle between vectors (7).
Example 1. A microwave antenna is to be pointed at a transmitter
which is 15.7 kilometers North, 7.3 kilometers East and 0.76 kilome
ters below. Use the rectangular to polar conversion capability to find
the total distance and the direction to the transmitter.
12: Mathematics Programs 171