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 ...

Learn which Excel formulas perform best for large datasets and how to optimize them for faster calculations and better ...

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.