Sharp EL-506P

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