9 December 2015

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

Read the rest of this entry »

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.

Read the rest of this entry »

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.

Read the rest of this entry »

Posted in Mathematics **|**

Tags: Graphs

26 November 2015

A 1×1 matrix is often regarded as a scalar quantity, but is that correct? This article explores a reader's question.

Read the rest of this entry »

Posted in Mathematics **|** 8 Comments »

24 November 2015

A quite remarkable new proof of the 400 year-old Wallis Product approximation for π has recently been published. It arises from a study of the quantum mechanics of a hydrogen atom.

Read the rest of this entry »

Posted in Mathematics **|**

29 October 2015

Is there a difference between cube root and raising a number to the power 1/3? Maybe there is!

Read the rest of this entry »

Posted in Mathematics **|** 2 Comments »

Tags: Graphs, Technology

29 September 2015

*svgPHPGrapher* produces clean math graphs with no javascript, and all the processing happens on the server.

Read the rest of this entry »

Posted in Computers & Internet **|** 2 Comments »

Tags: Graphs, Interactive, Technology

23 September 2015

When sketching mathematical functions on paper or computers, it's a good idea to have a sense of what the general shape of the curve is before you start. Sampling can lead to erroneous results.

Read the rest of this entry »

Posted in Mathematics **|** 3 Comments »

Tags: Graphs, Technology

30 July 2015

YouTube engineers faced a problem as the number of views for Gangnam Style approached 2 billion. I found related issues when developing the Newton's Method graph.

Read the rest of this entry »

Posted in Computers & Internet **|**

Tags: Culture

30 July 2015

I added a new interactive graph that helps explain how Newton's Method works. Newton's Method uses differentiation to solve non-linear equations and is especially useful when we can't factor the equation. It's very commonly used by computers when solving math-based problems.

Read the rest of this entry »

Posted in Computers & Internet **|** 2 Comments »

Tags: Interactive