This **Series of Excel articles and tutorials** will teach you the fundamentals of using formulas to perform basic calculations in Excel spreadsheets.

### Excel Formulas Overview

Excel formulas are one of the most useful features of the program. Formulas can be as simple as adding two numbers or can be complex calculations needed for high end business projections. Once you learn the basic format of creating a formula, Excel does all the calculations for you.

### Working with Data, Formulas, and Functions in Excel 2010

This tutorial covers how to write basic formulas in Excel 2010. This tutorial includes a step by step example of creating basic formulas in Excel 2010.

### Excel 2007 Formulas Step by Step Tutorial

This step by step tutorial shows you the steps to follow to write basic formulas in Excel 2007.

### Excel 2003 Formulas Step by Step Tutorial

This step by step tutorial shows you the steps to follow to write basic formulas in Excel 2003.

### Excel Math

These articles cover how to carry out basic math operations using formulas in Excel. If you want to know how to add, subtract, multiply, or divide numbers in Excel, these articles will show you how.

### Using Cell References in Excel Formulas

Cell references describe the location of a cell in an Excel spreadsheet. These cell references can be used in formulas. Excel will calculate the answer for the formula using the data located in the referenced cell.