HP HP-28S - User Function for Polar Addition

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