Microsoft Excel Functions And Formulas May 2026

Every formula and function must begin with an equal sign. This tells Excel that the cell contains a calculation rather than just plain text.

Microsoft Excel is built on the power of and functions , which allow users to perform everything from simple math to complex data analysis. While often used interchangeably, they represent two different ways to manipulate data: Microsoft Excel Functions and Formulas

are predefined, "built-in" formulas already available in Excel, such as =SUM(A1:A10) . Core Principles Every formula and function must begin with an equal sign