Archive for October, 2009

3D Grapher with contour plot

outdoor-chair-3D-graph_sm Here's a grapher that will plot your 3D function and will also give you a contour map of it.

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TechXav - a student-run tech blog

TechXav has good quality articles covering tech news and Web 2.0 developments.

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IntMath Newsletter - Polar graphs, microphones, BAD stats and productive stress

1. Math tip (a) - Polar graphs and microphones
2. Math tip (b) - Real statistics - Blog Action Day
3. Math tip (c) - Productive stress
4. From the Math Blog
5. Final thought - Learning forever

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Polar coordinates and cardioid microphones

microphoneMicrophones are one of the many real-life applications of graphs in polar coordinates.

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Blog Action Day 09 - Climate Change

There's only one realistic solution for climate change.

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How to remember trigonometry ratios

There's more than one way to remember the sine, cosine and tangent ratios.

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H1N1 and the Logistic Equation

How do they predict the spread of viruses like the H1N1?

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IntMath Newsletter - H1N1 and the logistic equation, Google Docs

1. Math tip (a) – H1N1 and the Logistic Equation
2. Math tip (b) – Equation editor in Google Docs
3. IntMath Poll
4. From the Math Blog
5. Final thought – Never give up!

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Full archive

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