When you type a seven-or-ten-digit phone number into an Excel cell that uses the phone number format, Excel will automatically change the way the number looks so that it appears as a phone number.

Excel can do more than just render typed numbers in tables of cells. It can take two columns of numbers and show a pictorial representation of how they relate to each other through a graph.

You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.

You may want to multiply cells or numbers in Microsoft Excel to analyze data. Here's what you need to know to do it.

Save time and effort by learning how to use the TIME() function in Excel to enter a series of incremental times in this step-by-step guide.

Learn how to multiply numbers in single cell, multiply multiple numbers from several cells, multiply column of numbers in Excel.

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions.

However, Excel's random number functions are volatile, meaning they change constantly. In this article, I'll show you how to generate and fix random numbers and remove duplicates.

SERIESSUM function returns the sum of a power series based on the formula. Learn how to use the SERIESSUM function in Excel.