I Love Maths! Valentine Day Special

Happy Valentines Day!

On your TI83 press WINDOW and set the values to the following:

Press 2ND then ZOOM (FORMAT)

Highlight AxesOff and press enter.

Enter the following equations on your graphic (or graphing software)

To get abs(x) press 2ND then 0 (zero) then ENTER (as it is first in the list).

Now press GRAPH

Remember to reset the axes after you are done!

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Meet Mr H!!

It’s me!! 😉

If you can’t see the video playing above here is the YouTube page:

“Meet Mr H!!”

Triangle Song – James Blunt

James Blunt on Sesame Street!

If you can’t see the video playing above here is the YouTube page:

“Triangle Song – James Blunt”

Can you draw a perfect circle?

Freehand Circle Drawing – World Champion

If you can’t see the video playing above here is the YouTube page:

“Freehand Circle Drawing – World Champion”

The Magical Moebuis Strip

If you can’t see the video playing above here is the YouTube page:
“Moebuis Strip”

The Klein Bottle

The Klein Bottle is a surface on which you can move from outside to inside without crossing an edge. This shows that inside and outside are not universal concepts.In this movie Klein’s Bottle is constructed by gluing an rectangle along the edges. Then the bottle is cut up again to yield a Moebius-strip.This video was produced for a topology seminar at the Leibniz Universitaet Hannover.

If you can’t see the video playing above here is the YouTube page:
“The Klein Bottle”

Turning a Sphere “Outside In”

If you can’t see the video playing above here is the Google Video page:

"Outside In"