28 June 2016

This 3D planes applet allows you to explore the concept of geometrically solving 3 equations in 3 unknowns.

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Posted in Mathematics **|**

Tags: Graphs, Interactive, Technology

25 May 2016

This interactive applet allows you to explore the concept of slicing a cone by a plane at various angles and positions, resulting in conic sections.

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Posted in Mathematics **|**

Tags: Graphs, Interactive, Technology

19 April 2016

Ancient rock art may give clues to the origin of written symbols, including early math notation.

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Posted in Math movies **|** One Comment »

Tags: Culture, Math notation

13 April 2016

I recently added a 3D interactive graph which you can use to explore the *x*-, *y*- and *z*-axis system.

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Posted in Mathematics **|**

Tags: Graphs, Technology

3 April 2016

Here's a numerical solution to an earlier problem we discussed involving a roller door.

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Posted in Mathematics **|**

Tags: Real-world math, Technology

26 March 2016

A quintic curve is a polynomial of degree 5. Given such a curve, how do you work backwards to find the original function expression?

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Posted in Mathematics **|** 7 Comments »

Tags: Graphs, Technology

12 February 2016

Here's a reader's approach to the age old problem of finding a square with the same area as a given circle, called "squaring the circle"

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Posted in Mathematics **|**

Tags: Graphs, Real-world math

9 December 2015

This movie explores the connections between Rubik's cube and the group theory concepts behind music.

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Posted in Math movies **|** One Comment »

Tags: Culture

8 December 2015

The butterfly map of the world is based on Reuleaux triangles. This article explores some of the story behind this interesting map.

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Posted in Mathematics **|**

Tags: Culture, Graphs, Real-world math

8 December 2015

Reuleaux triangles have a property similar to circles - they have constant diameter when rotated.

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Posted in Mathematics **|**

Tags: Graphs