Mathematics 24x7

There is no escape...believe it or not. Mathematics is everywhere.

Colin McAllister
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  • U.K.
  • United Kingdom
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  • Shahzad Karim
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Colin McAllister's Discussions


Colin McAllister's Page

Profile Information

Philosophy of life
Cyber House
Software Engineer
Your Inspiration
Isaac Newton
You in one line.
A Software Engineer with an interest in physics and mathematics.

Colin McAllister's Blog

The Math Connection discussion group on LinkedIn

Posted on December 18, 2011 at 3:29am 0 Comments

A discussion group with over 2300 members. Created by Andrei Radulescu-Banu for discussing mathematics in K-12, primary and secondary school. Do create your own topic for discussion. There is likely to be a quick response and active debate. This group is open to anyone on LinkedIn.

Exploring Discussion Forums - An article for free download - With thanks to members of this group

Posted on May 14, 2011 at 2:00am 0 Comments

Rebecca Hanson and I have just finished writing this article, inspired by discussions we had on this and other online forums. Talking about maths and education here motivates us to continue exploring the subject. We try to understand online discussions about mathematics education, and give  practical tips about using forums. Free PDF or DOC at:… Continue

Paper-Folding using Interactive Geometry Software

Posted on July 23, 2010 at 5:00am 1 Comment

Interactive geometry programs such as GeoGebra and CaRMetal are powerful tools for learning about geometry. You can use them to explore the basic principles of paper-folding (Origami). I learned about the mathematics of folding paper circles from:…


Circles Inscribed In Triangles

Posted on June 19, 2010 at 9:30pm 2 Comments

I present some experiments with interactive geometry software on at: Circles in Triangles using Geometric Construction. This follows on from my previous presentation:…


Inscribe Semicircle In Square by Geometric Construction

Posted on April 12, 2010 at 4:13am 9 Comments

How would you inscribe a semicircle into a square using geometric construction? I prepared this slide show to demonstrate the steps of

construction. It can be viewed or downloaded at Semicircle In Square… Continue

Comment Wall (4 comments)

At 3:12pm on April 20, 2009, Rashmi Kathuria said…
Welcome to Mathematics 24x7. The purpose of this network is to just talk about all possibilities in Mathematics .There are people who love this subject and at the same time there are ones who are struggling for it.
Let us join our hands and look for all possibilities to make it interesting for everybody.
Thanks for joining this network.
Keep Sharing.
At 1:35pm on April 12, 2010, Vijay Krishnan said…
Thanks for adding me mate! hope to hear from you soon....have a good one my man :)
At 10:31pm on October 18, 2010, Shahzad Karim said…
Thank you sir, for being the first to accept me as a friend, secondly, the problem you just launched (i-e: the largest semicircle inscribed inside a square), I tried to give a solution but It does not seem to be of my level since I'm just a 9th grader but my enthusiasm for mathematics knows no levels! I'll be grateful to you for being with me in future!
At 10:35pm on October 18, 2010, Shahzad Karim gave Colin McAllister a gift
hey sir, I saw your profile and amazed to know the great harmony I've found with you, I too want to become a software engineer in future and also my inspiration is Isaac Newton!!!

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