Bessel functions were first defined by the mathematician Daniel Bernoulli and then generalised by Friedrich Bessel as the canonical solutions y(x) of the differential equation..

This function converts a number into a text representation with the given radix (base). Clear as mud if you speak gobbledygook...

Every now and then we unveil a pearl of a function, one that will rock your world and make you wonder how you ever lived without it. Today’s function is probably not going to be on that list for those outside of Thailand.

Have you heard of the AVERAGEIFS function? Let’s see if this function will come in handy for you…

Have you heard of the AVERAGEIF Function? Let’s see if this function will come in handy for you…

Have you heard of the AVERAGEA function? Let’s see if this function will come in handy for you…

This is quite an ordinary function; indeed, it is distinctly average...

I thought AVEDEV was an Indian cricket captain from the 1980’s. Apparently not. However, the definition of this statistical function may knock you for six...

It’s time to talk a complete load of hyperbolics...

Have you heard of the ATAN2 function? Let’s see if this function will come in handy for you…