Coordinate Conversion - Sharp EL-506P Instruction Manual

15. Coordinate Conversion
Ll
y •_ '
j '.,,;/'"
X
¾-x
i
Rectangular
coordinate
Polar
coordinate
[➔ rii)
r
=
Jx
2
+
y'
Il =tan-•
L
X
[-+xy)
x
= r cos
Il
y
= r sin Il
DEG: O~ 111 I~ 180
RAD: 0~1111~71'
GRAD: O~ 1111
~
200
Converting rectangular coordinates to polar (x, y-+ r, Il):
Solve for
x
= 6 and
y
= 4 mode= DEG
Key in: 6 []] 4
W
~
@
Answer: 7.211102551 (r)
Key in:
W
Answer: 33.69006753 (Il)
• lmmediately after completing calculation, the value of r can be recalled with
the []] , and the value Il with the
W
33