EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
Subscribe to RSS feed
Izidor Hafner
1

2

3

4
...
65

NEXT
»
Demonstrations 1  20 of 1299
School Multiplication
New this week
Operations on a Rhombic Dodecahedron
New this month
School Addition
A Grill for Secret Writing 2
Addition and Subtraction on a Circular Ruler
Solving a Type of Equation with a Square Root
Inequalities and Equations with Absolute Values
Area of a Polygon on the Integer Lattice
Area of a Triangle on an Integer Grid
Space Visualization Test on Prism Edges
Space Visualization Test on Pyramid Edges
Equations with Fractions
Addition and Subtraction of OneDecimal Numbers Using Rulers
Union and Intersection of Intervals
Division by Successive Subtraction
Vieta's Formula for Quadratic Polynomials
Is This Number a Prime?
3D Grill for Secret Writing
Sturm's Theorem for Polynomials
Penrose Rhombus Tilings by Projecting Golden Rhombi 2
1

2

3

4
...
65

NEXT
»
Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
Download or upgrade to
Mathematica Player 7EX
I already have
Mathematica Player
or
Mathematica 7+