Leveraging Excel Functions
Functions are essentially canned formulas that Excel provides as a way to accomplish common tasks. Some Excel functions perform simple calculations, saving you from having to enter the formula yourself. Other functions perform complex actions that would be impossible to perform with simple formulas alone. As you go through the chapters in this book, you explore many of the most useful Excel functions. For now, you start with a basic understanding of the role Excel functions play in your formulas.
Finding out which arguments are needed for a given function
An easy way to discover the arguments needed for a given function is to begin typing that function into a cell. Click a cell, enter the equal sign, enter the function name, and then enter an open parenthesis. Recognizing that you are entering a function, Excel activates a tooltip