f(x) = sqrt(x)
g(x) = sqrt(-(x))
A = Intersect(g, b, (-4.0, 2.0))
B = Intersect(f, a, (4.0, 2.0))
C = (2.22, 2.16)
c = Ellipse(A, B, C)
d = Integral(2.0, f(x), 0.0, 4.0)
e = Integral(2.0, g(x), -4.0, 0.0)
h = If(x > 0.0, x^(2.0))
p(x) = -h(x)
D = Intersect(h, i, (2.0, 4.0))
E = Intersect(p, j, (2.0, -4.0))
F = (2.24, -1.54)
k = Ellipse(D, E, F)
l = Integral(x^(2.0), 0.0, 2.0)
m = Integral(-x^(2.0), 0.0, 2.0)
G = Point(i)
H = Point(j)
I = Intersect(h, p, (1.6689300537109377E-8, 2.785327524179593E-16))
J = Point(p)
q = Ellipse(G, H, J)
n = Integral(4.0, x^(2.0), 0.0, 2.0)
o = Integral(-4.0, -x^(2.0), 0.0, 2.0)
K = Point(b)
L = Point(a)
M = Point(yAxis)
r = Ellipse(K, L, M)
s = Integral(f(x), 0.0, 4.0)
t = Integral(g(x), -4.0, 0.0)

Tool: Triangolo equilatero su lato (command Triangoloequilaterosulato)
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Input: A, C
Output: d, e, poli2

d_2 = Circle(C, A)
d = Circle(C, A)
e_1 = Circle(A, C)
e = Circle(A, C)
D = Intersect(d, e, 2.0)
poli2, d_1, a_1, c_1 = Polygon(A, C, D)

Tool: triangolo equilatero su lato (command triangoloequilaterosulato)
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Input: A, B
Output: poli1, a, b, C

c = Circle(A, B)
d = Circle(B, A)
C_1 = Intersect(c, d, 1.0)
C = Intersect(c, d, 1.0)
poli1_1, c_2, a_1, b_1 = Polygon(A, B, C)
poli1, c_1, a, b = Polygon(A, B, C)