x

Streifenmethode 
des Archimedes

f(x) = (0.375 * x^(2)) - (3.25 * x) + 5.5
A = Point(xAxis)
a = OrthogonalLine(A, xAxis)
B = Intersect(f, a, 1)
b = Segment(B, A)
n = 5 (slider from 1 to 100, step 1)
U = LowerSum(f, 0, x(A), n)
O = UpperSum(f, 0, x(A), n)
dA: O - U
Text1: "Obersumme O = " + O + "
Untersumme U = " + U + "
O - U = " + dA + ""
Af: (U + O) / 2
F: (x(A), Af)
Text2: "n = " + n + ""
Ax: x(A)
Text4: "Intervall: [ 0; " + Ax + " ]"