Distance between  x = a1*cos(t)+b1, y = a2*sin(t)+b2  and  y = m*x + n
a1 b1 a2 b2
m   n

                    N   N = 2 round to cents  N = -2 to hundreds
Use CLICK first.  click+ and click++ are more accurate but take longer (10×, 100×)

examples