Rectángulos Inferiores

Rectángulos Superiores

Trapecios

Integral Definida

n = 21 (slider from 1 to 100, step 1)
A = Point(xAxis)
B = Point(xAxis)
f(x) = (2.0 + x) * (2.0 - x)
a: x(A)
b: x(B)
i = LowerSum(f, a, b, n)
s = UpperSum(f, a, b, n)
t = TrapezoidalSum(f, a, b, n)
d = Integral(f, a, b)
c = true
e = true
g = false
h = true