# Archive for the ‘Mathematics’ Category

29 January 2017

Here we solve another graph mystery - what is the correct domain for y = sec(arccos(x))? And why do different software packages show similar, but different graphs?

Read the rest of this entry »

Posted in Mathematics category **|** 5 Comments »

Tags: Graphs, Math notation, Technology

29 August 2016

I was humbled this week to receive notice that SquareCirclez (the IntMath Blog) has been included in a list of the "Top 100 Math Blogs".

Read the rest of this entry »

Posted in Mathematics category **|**

Tags: Technology

10 July 2016

The fascinating Map to Multiplication may not be all it seems, notwithstanding its cleverness.

Read the rest of this entry »

Posted in Mathematics category **|** 5 Comments »

Tags: Graphs, Interactive

28 June 2016

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

Read the rest of this entry »

Posted in Mathematics category **|** One Comment »

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.

Read the rest of this entry »

Posted in Mathematics category **|** One Comment »

Tags: Graphs, Interactive, Technology

13 April 2016

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

Read the rest of this entry »

Posted in Mathematics category **|**

Tags: Graphs, Technology

3 April 2016

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

Read the rest of this entry »

Posted in Mathematics category **|**

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?

Read the rest of this entry »

Posted in Mathematics category **|** 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"

Read the rest of this entry »

Posted in Mathematics category **|**

Tags: Graphs, Real-world math

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 category **|**

Tags: Culture, Graphs, Real-world math

## Full archive

See the blog sitemap for all previous articles.