Archive for the ‘Computers & Internet’ Category

Range hood curved sides problem

9 April 2014

range hood
A manufactures of range hoods with curved sides wants to know what shape to cut the sheets.

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New z-Table interactive graph

3 February 2014

z-curve interactive
Investigate the meaning of the z-table using this interactive graph.

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Friday math movie: Complex numbers in math class

24 January 2014

Complex number lesson
This is a very creative way to present a lesson – funny, too.

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Updated Math of Beauty interactive

14 January 2014

math of beauty
This interactive allows you to place a mask over the photos of so-called beautiful people, and see how close their face is to the ideal.

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When does log(x-3) = log x – log 3?

26 October 2013

intersecting log curves
A recent comment from a Twitter colleague got me thinking about the value of graphical solutions of equations.

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Updated matrix interactive

2 October 2013

Matrices interactive applet
Here’s an applet where you can investigate how matrix operations work.

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Review: Dr. Geo

31 July 2013

Dr Geo
Dr Geo is a free download that allows us to construct a wide variety of geometric objects.

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Review: write LaTeX

22 July 2013

writeLaTeX collaborative online math editor
writeLaTeX is an online tool where you can create math documents collaboratively.

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Trig ratios: updated interactive

1 July 2013

Investigate trigonometric ratios
Here’s an interactive graph where you can investigate some important trigonometric identities.

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MathGraph32

30 April 2013

MathGraph32
MathGraph32 is a great free tool for exploring 2D and 3D math concepts.

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