Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Microsoft Excel is a commonly used spreadsheet software for organizing and managing data. Like all other spreadsheets, Excel allows you to calculate data with formulas, use graphing tools, build ...

Accurately estimating project costs is crucial to staying within budget. Get your estimate wrong and you could end up in the red or even unable to complete the project. While you can employ computer ...