YouTube on MSNOpinion

Learn how to write the equation of a circle given a point and the center

Learn how to write the equation of a circle. A circle is a closed shape such that all points are equidistance (equal distance ...
YouTube on MSNOpinion

Writing an equation in slope intercept form by multiplying by a fraction ex 12, x‐15=3/4y

Sure! Here's the new description without any links: Learn how to write the equation of a line in a point-slope form. The ...
Ars Technica

Software to write math equations?

I'm looking for some good freeware so I can write math equations and the like. Something simple that I can use immediately -- don't have much time to learn LaTex right now. (So far I've found ...