User Function For Polar Addition - HP -28S Manual

Convert to rectangular coordinates.
P~R
3: (1.57~-1.32)
2: (1. 6<:::,1. 18)
1: (1.27,2.72)
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Add the rectangular coordinates.
[B
3: (0.00,2.00)
2: (1.57 -1.32)
1: (2.89,3.89)
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Convert to polar coordinates.
R~P
3: (0.00,2.00)
2: (1.57,-1.32)
1: (4.85,53.46)
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The resulting distance is 4.85 miles, and the resulting bearing is
53.46°.
A User Function for Polar Addition
Here's a simple program PSUM (polar sum) to automate the process
you did manually in the previous section.
Begin the program.
OD
2: (1.57,-1.32)
1: (4.85,53.46)
«I
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Indicate the arguments. (Use a space to separate the two arguments.)
• G
[1gJ
x
I
SPACE
I
y
2:
( 1. 57, - 1. 32)
1: (4.85,53.46)
«
~
x
yl
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The right arrow indicates that the following names are local variables,
which will exist only within this program.
86 6: Complex-Number Functions