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Old 11-06-10, 01:21AM   #49
Mighty T/A
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Join Date: May 2005
Location: Glendale, AZ
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Quote:
Originally Posted by BearGFR View Post
Ooooo! I can help with that. (I majored in math --- a bazillion years ago --- before they finished inventing all the numbers...)
* means multiply, as in 2 * 2 = 4 ........ 3 * 2 = 6 and so on.
^ stands for exponentiation, or "to the power of", as in 2 ^ 2 (2 squared) = 4 ......... 2 ^3 (2 cubed) = 8 ......... 2 ^ 4 (2 to the 4th power) = 16

Taking one of his examples..
n1 = (.028 / 2)^2 * pi

What's going on there is you're calculating the area of a hole that's .028 in diameter. The formula for the area of a circle is the radius (which is half the diameter - .028/2 in this case) "squared" ( to the 2nd power, or ^2) times the value of pi (3.1415926535....).

Bear
Got it!! Thanks for helping my brain process.... i think Stan skipped MIT for something a little tougher.
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