HP -22S Owner's Manual page 114

Keys:
. , MODES I {DC}
150 . ,
RADIUS I
30
.'ANGlEI
. , xCOORD II STO I X
80 .,
RADIUS I
105 . ,
ANGLE I
.'xCOORDllsTOI0 X
, RClI
X . ,
xCOORD I
(Bfg
Y . , yCOORD I
.(RADIUSI
Display:
r = 1513.13131313
8=313.13131313
>(= 129.91338
y=75.13131313
r =813.13131313
8=1135.13131313
>(=-213.71355
y=77.2741
>(= 1139.1983
y= 152.2741
r = 187.38113
Description:
Sets Degrees mode.
Enters rand 0 for first
leg.
Calculates
Xl
and
stores value in variable
X.
Calculates
YI
and
stores value in variable
Y.
Enters second leg.
Calculates
x2
and adds
it to contents of X.
Calculates Y2 and adds
it to contents of Y.
Stores
Xl
+
x2
in
X.
Calculates distance
from starting point.
Part 2:
In what direction has the ship traveled from its starting point?
.'ANGlEI
8=54.3551
114 8: The Equation Library
Calculates angle from
starting point, counter-
clockwise from east.