Daniel Mentrard
@dment37
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Maths, Physics,visualisations, challenges , Geogebra Expert The more of you follow me, the more materials there will be.....
Joined January 2013
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Last Seen Profiles
Pinned Tweet
The Fibonacci elephant
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
2
26
112
Sine and cosine are orthogonal 2D projections of the 3D unit helix
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
18
261
1K
Shrödinger's cat is well known but do you know Fibonacci's cat ?😀
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
25
244
902
Euler formula : e^(it) = cos(t)+ i sin(t) and the unit cercle in spacetime
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
8
143
544
Different methods for the area of a triangle (interactive applet)
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
3
123
405
Volume of the sphere by triple integral calculus and spherical coordinates (method 4)
Visualization |Animation |Interactive applet |
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
3
82
388
Polygonal sines|Visualization|Animation|
@geogebra
It is an update of
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
4
89
332
Sine and cosine in 3Dspace for the Euler helix
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
4
84
330
Sine functions for waves (or when math serves other subjects.. part one)
Visualization |Animation |Interactive applet |
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
3
100
313
Sine and cosine are phase shifted by pi/2
3D Visualization |Animation |Interactive applet |
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
3
65
296
Conics
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
3
69
295
Gravity and curvatures
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
3
60
291
Pythagorean theorem in non-Euclidean geometry
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
1
69
289
Some proportionnal lengths in the triangle
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
5
75
275
Polygonal sinusoids
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
2
70
277
Fourier's series |3D visualisation|Animation|
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
3
53
268
Fourier series of square wave
Visualization |Animation | Interactive applet
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
#physics
3
63
267
Matrices are graphs and graphs are matrices:
Graphical matrice for undirected graph
Visualization |Animation |Interactive applet |
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
7
52
265
Algebraic curves
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
2
41
261
Two aspects of Fourier series
Visualization |Animation |Interactive applet
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
#Physics
3
68
254
Function challenge n°2 . One function is f and the other is f'… but which is f and which is f'?
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
66
37
248
Conics
@geogebra
…
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
4
60
253
Integral calculus for volume of solids of rotation (interactive applet with
@geogebra
)
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
2
64
249
tan(a/2) in function of sin(a) and cos(a) |visualisation|Animation|
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
2
54
245
Domain, range and graph of a function (interactive applet)
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
0
55
249
Logarithmic spiral in a shell
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
3
49
241
Euler formula e^(it) = cos(t)+ i sin(t)
Visualization |Animation | Interactive applet
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
#physics
6
84
249
Derivatives and integrales around sphere,disk and circle.
Visualization |Animation |Interactive applet |
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
2
55
249
cos²x +sin²x =1
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
2
57
235
Lissajou curve is the sum of sine functions
Visualization |Animation | Interactive applet
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
#physics
5
69
239
Riemann Sum vs Integral
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
5
54
234
The Fourier machine
@geogebra
#geogebra
#MTBoS
#ITeachMath
#mathgif
@PerHenrikChris1
@bancoche
#Math
#maths
#geogebrart
(Do not put too many elements for the fluidity of the animation)
6
60
232
Trigonometric relations with a right triangle
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
1
53
224
Function challenge n°3 . 3 filling functions… but which one is for A, for B and for C .
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
20
50
224
The parabolic shot that travels the greatest distance is always that of 45° whatever the initial speed.|3Dvisualisation|Animation|
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
7
65
230
Euclidean geometry vs Spherical geometry (part one)
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
3
52
220
Lissajou in 3D
Lissajou curves are composed of two sinuses at right angles.
Visualization |Animation |Interactive applet |
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
4
62
211
Read values of sine function by colored sectors
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
2
51
209
Function : Domaine and range (2) |visualization |Animation | Interactive applet|
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
5
48
205
Variations of a function (with tangente to the curve and pente)
2
47
208
Slicing a cylinder in rotation by diagonal gives a sine function
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
6
37
207
Really understand how to plot sine and cosine functions from the unit circle??
3DVisualization |Animation |Interactive applet |
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
3
35
199
Circle theorems
Visualization |Animation | Interactive applet
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
#Physics
3
52
198
Matrices are graphs and Graphs are matrices
(tomorrow a more interactive applet)
Visualization |Animation |Interactive applet |
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
2
42
196
Integral calculus (IV): disks method
Visualization |Animation | Interactive applet
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
#physics
3
46
198
Rules of integral calculus(II)
Visualization|Animation|Interactive applet |
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
1
54
193
Square roots and lengths in the 3Dbox with the unit cube
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@geometry
@bancoche
#Physics
1
40
194
1
57
189
From a sphere ,a disk and a circle
Visualization |Animation | Interactive applet
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
#physics
2
42
193
Some length relations in the triangle
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
0
54
195
0
45
194
a³-b³=(a-b) (a²+ab +b²)
Visualization |Animation | Interactive applet
@geogebra
#geogebra
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
@bancoche
#physics
4
53
194
All trigonometric functions from the unit circle in an interactive applet
@geogebra
#geogebra
@mathematicsprof
#math
#science
#iteachmath
#mtbos
#visualization
#elearning
#geometry
#Physics
2
49
181