cartesian to polar coordinate conversion calculator
enter the value and click "calculate", the calculation result will be displayed.
For (x1, y1) and (x2, y2)
If (x1 > x2) then x = x1 - x2 else x = x2 - x1
If (y1 > y2) then y = y1 - y2 else y = y2 - y1
R = Sqrt(x2+y2)
Angle = tan -1(y/x)