Matt Picone skrev: > Can someone help me find the equation for a smooth curve which has the > following points? > > x,y > 0,0 > 50,15000 > 100,100000 It depends on what type of curve you want but I've given the two most likely candidates Quadratic: y = 14 * x^2 - 400 * x Exponential: y = 2250 * e^(x * 0.01 * ln(400 / 9) ) /Micke