Skorche Wrote:Once again, while you didn't use any calculus, the formula d = ut + 1/2at² is derived using ideas from calculus.

But it isn't just the area of a trapezoid, it is the area of a right trapezoid which is essentially a rectangle and a triangle. I don't see where calculus comes in here (if this is calculus then I can claim I started learning calculus in 3rd grade ).