Excel Formulas Simply Explained
Learn the basics of formulas in Excel: how to write and use them, using absolute and relative references, and using the fill handle with formulas. 

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How to Show Formulas in Cells and Hide Formulas Completely in Excel 2013
If you are working on an Excel worksheet with a lot of formulas in it, it may become difficult to follow and keep track of all your formulas. Excel provides a simple way of displaying formulas in the cells in addition to the formula bar. This feature also displays the dependencies for each formula in the cells (when selected), so you can track the data being used in each calculation. Displaying formulas in cells helps you to find cells containing formulas and to quickly read through all your formulas and check for errors. You can also print the spreadsheet with the formulas in the cells to help check your work.
Excel 2007 Formulas
Excel can manipulate your data by using formulas. Formulas can be as simple as adding two or more numbers together or as complicated as determining the calculation of a secondorder differential equation.
Excel 2007 Formulas
The Excel 2007 formulas tab is for more advanced users. I am going to go through this section quickly, but remember if you have specific questions about using formulas please email me.
The 1st section is the Function Library. This section contains buttons that will help you with all of the different formulas Excel 2007 provides.
Excel 2007 Creating Simple Formulas
Excel can be used to calculate and analyze numerical information; however, you will need to know how to write formulas to maximize Excel's capabilities. A formula is an equation that performs a calculation using values in the worksheet. In this lesson you will learn how to create simple formulas using mathematical operators such as the addition, subtraction, multiplication, and division signs.
Excel 2010 Creating Simple Formulas
Excel can be used to calculate numerical information. In this lesson you will learn how to create simple formulas in Excel to add, subtract, multiply, and divide values in a workbook. Also, you will learn the various ways you can use cell references to make working with formulas easier and more efficient.
Excel 2010: Types of Formulas and Guide to Create Formulas
The Excel 2010 Formulas is fantastic! It can do things for us like add numbers, calculate the number of hours worked, lookup a product price, create a label for a report, or tell us whether two accounts are in balance and so on.
Excel 2007 Creating Complex Formulas
Excel is a spreadsheet application and is intended to be used to calculate and analyze numerical information such as household budgets, company finances, inventory, and more. To do this, you need to understand formulas.
In this lesson, we’ll discuss complex formulas that use multiple mathematical operators, and that use absolute and relative references.
Sumif Examples  Help for Excel functions and Formulas
The Sumif function in microsoft Excel is explained with examples and demonstrations, including a tutorial video.
Formulas and Functions: Spreadsheet Formulas
This series of tips, tutorials, and articles covers how to create and use formulas and functions in Excel and other spreadsheet programs. The tutorials listed here include how to create formulas to carry out basic mathematical calculations as well as how to create more complex formulas  such as nesting functions and array formulas. Tutorials include step by step examples.
Excel 2010 Creating Complex Formulas
In this lesson, you will learn how to write complex formulas in Excel following the order of operations. You will also learn about relative and absolute cell references and how to copy and fill formulas containing cell references.
Introducing Excel Formulas
This tutorial introduces formulas and helps you get up to speed with this important element.
Formulas in Excel
This tutorial will teaches you how to use Formulas in Excel.
Formulas (expressions) and Functions (predefined formulas)
Microsoft Excel Tutorial: A formula is an expression which calculates the value of a cell. Functions are predefined formulas and are already available in Excel. For example, cell A3 below contains a formula which adds the value of cell A2 to the value of cell A1.
Show formulas
Ever want to see which formulas are being used in an excel documents? Well, now you can.
Forumulas and Functions
Even when you have written various formulas and functions yourself, coming back to them at a later date often requires that you follow cell references to try to figure out what the formulas are doing. It would be great if you could simply add to the end of your formula some text that wouldn't interfere with the result, but would give you the information you require at a later stage.
Date and Time Formulas
Formulas that perform calculations between elapsed dates and times are quite common in spreadsheets. In this tutorial give you a chance to build formulas that calculate the difference between starting.
Advanced Formulas and Functions
Excel provides an enormous number of established formulas and assistance in auditing and calculating your data. The primary groupings are financial, logical, text, date and time, lookup and reference, math and trigonometry, statistical, engineering, cube, and filerelated information.
Formulas in Excel
Formulas are entries that have an equation that calculates the value to display. We DO NOT type in the numbers we are looking for; we type in the equation. This equation will be updated upon the change or entry of any data that is referenced in the equation.
Multiply
Multiplication is essential in Excel. Luckily it is extremely easy. To multiply numbers or cells in Excel, we must use a basic formula. All Formulas in Excel begin with =
Replace formulas with values with a simple wiggle
Here is a very simple & fun way to replace formulas with values. Select all the cells that contain formulas, Right click on the selection border (your mouse pointer changes to 4 sided arrow)...