Topic: grads list of topics
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	Degrees and grads		2006-04-06
		From Nazanin: which angle if you add 15 to its degree we can find its measure by grad? Answered by Stephen La Rocque.
	The origin of angles		1998-02-24
		From Marc Poulin: I'm currently teaching angles to students in grade 10 and I've been asked what's the origin of the terms degrees, radians and gradians. I know that the radians come from the sexagesimal numerical system of the Babylonians but my kids wanted to know dates and persons who would have brought these terms first. Answered by Harley Weston.

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