FAST Graphs™ are a "tool to think with" and as such, have no agenda of their own. Instead, they are designed to provide "essential fundamentals at a glance" and allow the user to interpret the data ...

A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a large number of set intervals, it is ...

A once-valued skill has fallen by the wayside -- but our kids will need it even more than we do. You probably have a pretty good idea how well your teenager can write, how good her reading ...