Every Excel formula starts with an equal sign (=). This is like telling Excel, "Hey, we're about to do some math!" After that, you can use cell references (like A1 or B1) or even just numbers to ...

These brackets mean something magical is happening inside your Excel formula. An "Array" function allows you to perform mathematical operations on many cells instead of just one at a time.

You can make hundreds and hundreds of different formulas in Excel, including those that run mathematical equations, that generate calendars or schedules, that calculate averages and values ...