# How to Calculate Power of 2?

Raising a number to the power of 2 is also called squaring a number, which means you must multiply the number by itself. The result equals the number squared. The power of 2 is designated by an exp...
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http://www.ehow.com/how_8162202_calculate-power-2.html

## How to Calculate LED Power?

If you're designing an electronic system that uses light-emitting diodes (LEDs), calculating LED power is useful because the power your LEDs require will determine how long your battery will last. ...
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http://www.ehow.com/how_6455710_calculate-led-power.html

## How to Calculate the Power in Math?

A power in math is also known as an exponent. An exponent multiplies the base number, the larger-font number, by itself as many times as the exponent, the smaller-font number above the base number....
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http://www.ehow.com/how_8153538_calculate-power-math.html

## How to Calculate Statistical Power?

Statistical power refers to the likelihood that a test will detect a significant effect. It is also defined as the probability that a statistical test will correctly reject a null hypothesis that i...
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http://www.wikihow.com/Calculate-Statistical-Power

## How to Calculate Power Output?

How to calculate power in horsepower or watts, what the terms mean and why would they be of importance.

http://www.wikihow.com/Calculate-Power-Output