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Perceptive Pixel, Inc. was founded by Jeff Han in 2006 as a spinoff of the NYU Courant Institute of Mathematical Sciences to develop and market the most advanced multi-touch system in the world.

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Simple way to make multiplications and to avoid making mistakes

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Multi-Touch Interaction Research Bi-manual, multi-point, and multi-user input on graphical interaction surfaces By Jeff Han (Department of Computer Science Courant Institute of Mathematical Sciences ...

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Matrix Methods for Inhomogeneous Systems: Theory, Fundamental Matrix, Variation of Parameters. View the complete course: http://ocw.mit.edu/18-03S06 License: Creative Commons BY-NC-SA More ...

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Still more about integration by substitution.

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Convolution Formula: Proof, Connection with Laplace Transform, Application to Physical Problems. View the complete course: http://ocw.mit.edu/18-03S06 License: Creative Commons BY-NC-SA More ...

57

A mathematical tribute to the old American Gladiators show in which a nerdy math geek battles ferocious gladiators for arithmetic suppremacy!

69

The Four Fundamental Subspaces

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More integration by substitution