How to Enter, Edit, or Delete Formulas in Excel ...

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

Learn which Excel formulas perform best for large datasets and how to optimize them for faster calculations and better performance.

Formula 1 chief appalled to find team using Excel to manage 20,000 car parts Williams team leader may only be shocked because he hasn't worked IT.

Bookkeepers, project managers, HR departments and more use the Excel Date & Time functions WEEKNUM, ISOWEEKNUM, WORKDAY, WORKDAY.INTL to calculate time. Here's how.

In Microsoft Excel, you can create a Half Pie Chart if your data range has a total. A Half Pie Chart is a 180 degrees graph that represents a composition as a whole.

Excel provides one general formula that finds the difference between numbers, dates and times. It also provides some advanced options to apply custom formats to your results.

CR tested over 40 baby formulas for heavy metals as well as lead, arsenic, BPA, and other potentially harmful contaminants. Here's what you should know.