Functions are predefined formulas that perform calculations by using specific values, called arguments, in a particular order, or structure. Functions can be used to perform simple or complex calculations.
Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.
How to create simple formulas in Excel using AutoSum and the SUM function, along with the add, subtract, multiply, or divide values in your worksheet.
Date and time: Calculates the number of days, months, or years between two dates. This function is useful in formulas where you need to calculate an age. This function is not available in Excel for the web.
Formulas are equations that perform calculations on values in your sheet. All formulas begin with an equal sign (=). You can create a simple formula by using constant and calculation operator. For example, the formula =5+2*3, multiplies two numbers and then adds a number to the result.
The workbook below shows examples simple formulas. You can change any of the existing formulas, or enter your own formulas to learn how they work and see their results.
By using names, you can make your formulas much easier to understand and maintain. You can define a name for a cell range, function, constant, or table. Once you adopt the practice of using names in your workbook, you can easily update, audit, and manage these names.
An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas.