Sharp EL-5230 - Manual (Page 49)

47
Coordinate Conversions
Conversions can be performed between rectangular and polar coordinates.
P (x, y )
X
Y
0
y
x
P (r, θ)
X
Y
0
r
θ
Rectangular coordinate Polar coordinate
• Before performing a calculation, select the angular unit.
• The calculation result is automatically stored in memories.
• Value of r: R memory
• Value of θ: θ memory
• Value of x: X memory
• Value of y: Y memory
• r and x values are stored in the last answer memory.
j 6 , 4 x = 6 → r =
@ u
r= 7.211102551
y = 4 θ = [ °] = 33.69006753
14 , 36 r = 14 → x =
@ E
x= 11.32623792
θ = 36[ °] y = y= 8.228993532
Example Key operations Result
Chapter 3: Scientific Calculations