HP 9100B Operating & Programming Manual page 62

CONTINUED
HE EYBOARD
VECTOR KEYS
EXAMPLE:
(b) :
x
==
- 4 ,
y =
- 3 , convert t o pola r fo rm.
I
SWITCH: DEGREES
SWITCH: FIXED POINT
SET: DECIMAL DIG ITS to 3
PRESS:
PRESS:
3
TO
POLAR
CHG
SIGN
t .
4
CHG
SIGN
DISPLAY: (9, in
degrees) -143 . 130
~
y
(R)
5 .
non
--+
x
•
Converts polar coordinates, consisting of radius (R) in
the X register at an angle (9) in the Y register, to
reetangular coordinates:
y component
==
R sin 9
~ Y
X
component
==
R Cos
e
~X
EXAMPLE:
R
==
8.
8 -
30 ° (330°) , convert to reetangular
form.
t
y
....
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