The calculator can help you calculate dates, convert currency, and if you're using the Standard mode, you can keep the calculator window on top of other windows.

Instead of using a calculator, use Microsoft Excel to do the math! You can enter simple formulas to add, divide, multiply, and subtract two or more numeric values. Or use the AutoSum feature to quickly total a series of values without entering them manually in a formula.

The Calculator app for Windows can help you calculate dates. Depending on the option you choose, Date Calculation either calculates the difference between two dates, or it adds days to (or subtracts days from) a date.

Write or type any math problem and Math Assistant in OneNote can solve it for you—helping you reach the solution quickly, or displaying step-by-step instructions that help you learn how to reach the solution on your own. After solving your equation, there are many options to continue exploring math learning with Math Assistant.

The Calculator app for Windows has a currency converter. It helps you convert more than 100 different currencies from around the world. Conversion works offline too, making this mode even more useful if you are roaming internationally and do not have a data connection.

A list of keyboard shortcuts in apps like Microsoft Edge, Maps, Photos, Groove, Calculator, Paint, Game bar, Movies & TV, and Voice Recorder.

Learn how to use the percentage formula in Excel to find the percentage of a total and the percentage of change between two numbers. Try it now!

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Instead of reaching for your calculator, use Excel to do the math! On a sheet, you can enter simple formulas to add, subtract, multiply, and divide two or more numeric values.

Need more help? You can always ask an expert in the Excel Tech Community or get support in Communities. See Also Use Excel as your calculator Overview of formulas in Excel How to avoid broken formulas Find and correct errors in formulas Excel keyboard shortcuts and function keys Excel functions (alphabetical) Excel functions (by category)