Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

In this tutorial, you’ll learn what a timestamp is and then how to use Excel functions MIN () and MAX () to return the first and last call for the day from timestamps.

There's a lot going on in these formulaic conditional rules in Microsoft Excel that highlight the smallest and largest values within a period of years.