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- Feb 14, 2012

- 3,595

- Thread starter anemone
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- Feb 14, 2012

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- Mar 31, 2013

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x in radian or degree ?

- Thread starter
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- Feb 14, 2012

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Hi Kali, $x$ is in radian.

- Aug 30, 2012

- 1,120

Sorry, but I'm a bit confused. I know what the floor function does but what does the {.} do?

-Dan

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- Feb 14, 2012

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{} means the fractional part of $x$, and defined by the formula $\{ x \}=x-\lfloor x \rfloor$.

Hope this clears it up!