To get the most out of your spreadsheet
Excel Formulas and Functions Tutorial
Understanding how to construct formulas is a fundamental step in learning Excel. Here is a primer on the syntax of functions and formulas in MS Excel.
While you can get far by simply copying formulas from other spreadsheets or inserting Excel functions via the dedicated menu, it's a good idea to get at least a basic understanding of how the syntax actually works. That way, you can fix any mistakes or tweak the formulas to get the most out of your spreadsheet.
Programming languages are designed to let you instruct the computer with structured sentences. Syntax simply refers to the rules of such a structured language, since the computer is not smart enough to parse text that deviates from the expected standard.