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Sigma (Σ) notation
Topic Started: Dec 5 2010, 04:06 PM (799 Views)
CJ
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A very minor case of serious brain damage

Sigma notation is used in mathematics as a convenient way to write long sums out in a short space. It's best illustrated through the use of a few examples:

Posted Image

For more information on this, including some basic properties of the notation, watch my video:

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Michelle
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Great job, I liked it, but it was kinda hard to understand...
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CJ
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A very minor case of serious brain damage

Oh :( . Anything I can do to make it easier to understand?
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Michelle
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I wouldn't even begin to know.
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thecostumedanceparty
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I don't understand it either... it looks like there are two answers next to the sigma.
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CJ
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A very minor case of serious brain damage

What do you mean by 'answer'? Is it the numbers above and below it?

The number at the bottom is where you start from, and the number on the top is where you stop.
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