Square root functions come up in algebra, pre-calculus, calculus, and other subjects.  It is a good idea to know how to graph square roots and other radicals (either to draw them by hand or to...

Graphing functions comes up all the time in algebra, pre-calculus, calculus, and other subjects.  However, it also helps to know how to graph the inverse of a function. So, how do you graph a...

Confidence intervals are an important concept in statistics.  They help us to make estimates by using the data we have available, and they tell us how much confidence we have in the calculated...

Proportions come up often in algebra, probability, calculus, and other subjects outside of mathematics.  It helps to be comfortable with solving proportions – luckily, there is an easy way to...

Growth rates are useful in business for tracking the growth or decline of revenue, cost, profit, and other important measures.  Growth rates are also useful in finance for tracking changes in...

Microlearning has been around for a long time, but since the internet came along, it has moved online.  Many organizations use microlearning to deliver training to workers as they progress in...