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	Investigating y = (-2)^x		2020-01-13
		From Gonzalo: This is not precisely a maths question, but it is formulated based on my maths curiosity. Fidgetting with my new graphic calculator, I started graphing things and had the idea to graph $y=(-2)^x.$ The result surprised me, and I thought a little bit about it, stored it on the back of my brain, and promised myself to look deeper into it someday. Answered by Harley Weston.
	What is -5 squared?		2019-09-10
		From Pori: What is -5 squared? Answered by Penny Nom.
	A negative minus a negative		2019-09-03
		From Maggie: Why is a negative minus a negative a negative? Answered by Penny Nom.
	An inequality		2014-01-25
		From LANELL: this is a problem to solve: 1/3 + 2/7 >=x/21 -- part of the answer is (-oo) not exactly that similar--it is on a calculator as a symbol- sure you know what it is I am talking about- the x will be a number Answered by Penny Nom.
	A negative times a negative		2010-03-25
		From priya: why is minus into minus plus? Answered by Harley Weston.
	-log(a)		1999-10-22
		From Brenda Miskimmin: I need to know the mercury concentration in mg/L or ng/L for the following: -log M (Hg) = 8.5 where mw of Hg=200.59 (it's the negative sign in front of log that confuses me). Answered by Harley Weston.
	A double negative		1999-09-01
		From Dennis: If b = -2 what does -b = ? As in (a + 8.5) - [(-b) + |c|] a = 1.5, c = -1.7 Answered by Penny Nom.
	(-3)x(-2)		1995-10-25
		From Azmat: Why is (-3)x(-2) = 6? Answered by Herley Weston and Ed Giesbrecht.

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