Integralwert

e = 2.718281828459045
Anzahl = 1000 (slider from 1 to 1000, step 1)
f = Function(0.5 * x^(2.0) - 2.0, -5.0, 5.0)
a = 3 (slider from -5 to 5, step 0.1)
A: (a, 0.0)
t = 3 (slider from -5 to 5, step 0.02)
o = UpperSum(f, a, t, Anzahl)
u = LowerSum(f, a, t, Anzahl)
Integralwert: (t, u)