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The plus-minus sign

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methodsboy:
^ should be in Radian mode

ell:

--- Quote from: methodsboy on January 07, 2009, 06:49:45 pm ---^ should be in Radian mode

--- End quote ---

It is in Radian mode - that's how I got the in the first place! :P

/0:
isn't undefined?

ell:

--- Quote from: /0 on January 07, 2009, 07:24:08 pm ---isn't undefined?

--- End quote ---



http://en.wikipedia.org/wiki/Sign_function

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