Addition und Subtraktion ganzer Zahlen
Author: Horst Lost

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vorwärts

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vorwärts

rückwärts

a = 1.8 (slider from 0 to 5, step 0.1)
b = 3 (slider from 0 to 5, step 0.1)
c = 0 (slider from 0 to 5, step 0.1)
d = 3 (slider from 0 to 5, step 0.1)
A = Point(xAxis)
B = (-4, 6)
C = (-4, 5)
D = (-4, 4)
E = (-4, 3)
F = Point(Circle[B, a])
e = Segment(B, F)
G = Point(Circle[C, b])
f = Segment(C, G)
H = Point(Circle[D, c])
g = Segment(D, H)
I = Point(Circle[E, d])
h = Segment(E, I)
u = Vector(B, F)
v = Vector(G, C)
w = Vector(H, D)
z = Vector(E, I)
A' = Translate(A, u)
i = Vector(A, A')
A'_1 = Translate(A, v)
j = Vector(A, A'_1)
A'_2 = Translate(A, w)
k = Vector(A, A'_2)
A'_3 = Translate(A, z)
l = Vector(A, A'_3)
m = OrthogonalLine(A, xAxis)
J = Point(m)
n = OrthogonalLine(J, m)
p = Circle(J, 1)
K, L = Intersect(p, n)
o = false
q = false
r = Segment(J, A)
s = false
t = false
a_1 = false
b_1 = false