If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

SPOILER ALERT: If you haven’t yet taken our Science Knowledge Quiz, please do so before reading this any further because we give away one of the answers. In a recent survey of what Americans know ...

If you have a hard time differentiating your pop Christmas tunes from you shimmer psych jams, you’re in luck. This scatter graph will help you get a grip on pretty much any genre of music, including ...

Microsoft Office Excel contains a data analysis add-in that allows to to perform a Fourier analysis of a series of numbers. So named for the French mathematician who developed the analytic technique ...