When you graph a series of (x,y) coordinates in Microsoft Excel 2010, you can use the program's built-in functions to display the equation for the line created by those data points. This allows you to ...

Plot points with coordinates where \(x\) and \(y\) are equal. Three points are sufficient, but more can be plotted. Draw a line through the plotted points. If \(x\) is positive, \(y\) is negative. If ...

While your math teacher (or your kid’s math teacher) might not let them lug a laptop into their calculus class, I still think it’s awesome that Microsoft is finally giving the good ol’ Windows ...