Exploring negative numbers - Elevator model
Author: I. El Hage
Date: 27 April 2014

To explore negative numbers using elevator model

Choď

\text{Znázorňovanie záporných čísel\
        Model výťahu

\text{Na znázornenie čísla stlačte tlačidlo „Nové poschodie“.\
Pre pohyb stlačte tlačidlo „Choď“.

Exploring Negative Numbers
       Elevator Model

Press the key “New Floor” to determine
a new floor. Press the key “Go” to move
the elevator.

Eng

New Floor

Nové poschodie

Stepa: 0
a: 0
b = Random(-9, 9)
Stepb: 0
A: (2.7, (Stepa * a) + (Stepb * b))
c = OrthogonalLine(A, yAxis)
B: Intersect[yAxis, c] + (2, 0)
d = Segment(B, A)
C = Midpoint(B, A)
e = OrthogonalLine(B, d)
D = Point(e)
f: floor(y(B))
text1: "" + (LaTeX[f]) + ""
Eng = false
Sk = true
text4: "" + (LaTeX[b]) + ""
Show: false
E = (7.535177645836402, -22.511438136280077)
F = (33.333837399481695, -12.50691743318828)
G = (5.159373258310028, -20.16773921345004)
H = (27.98635865738096, -20.16773921345004)
I = (6.48, -7.46)
J = (41.05318403974892, -8)
K = (-2.4119424938651584, 0)
L = (-0.6119424938651583, 0)
O = (-2.3811927439539406, -12.767377129837929)
P = (-0.5811927439539406, -12.767377129837929)
v = Vector((1, a), (1, a + (b * Stepb)))