This lesson explains how to use Excel's logical operators and logical functions (AND, OR, NOT). These boolean operators can be used in a number of ways, either on their own, or to complement other Excel functions. In many cases, you can even use one of these functions instead of a more complicated function. For example, it is often easy to rewrite an IF statement using either AND or OR. This lesson includes examples of how to do this.

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If you boost a post in Facebook, it's easy to add extra budget to the boosted post, but there is no obvious way to reduce the budget on that post. This lesson provides a quick and simple solution.

If you have a column of numbers and you want to calculate a running total of the numbers alongside, you can use the SUM() formula combined with a clever use of absolute and relative references.

When printing in Excel 2010 for Windows, it is sometimes useful to print a set of rows (e.g. column headings) on each page in the print out. There is nothing worse than having a printout that runs to multiple pages, with the column headings only printed on the first page. This lesson shows you how to get header rows printing at the top of every page.

If you're getting started with Excel, creating formulas is one of the first things you should learn. In this lesson you'll learn how to create simple formulas and calculations in Excel.

The **COUNTIFS** function in Excel counts the number of cells in a range that match a set of multiple criteria. COUNTIFS extends the COUNTIF function which only allows one criteria. It is similar to SUMIFS, which will find the sum of all cells that match a set of multiple criteria. This lesson shows you how to use COUNTIFS and provides some practical examples to help you understand how it works.

This lesson shows you how to calculate a running total between two dates in a column of data. An example might be calculating the total sales for the last 30 days up to today. Each row in the spreadsheet will calculate a new total based on the date in that row, counting back a specified number of days.

If you want to combine text with the results of a formula in a cell, you can use **concatenation**. Suppose you have calculated the total of a range of cells using a formula in cell D2. Now, you want to have cell A2 display the text "Today's sales are $12,000", where $12,000 is the value calculated in D2. As the value in D2 changes, you want the value in A2 to update automatically.

In this lesson, we cover how to print an Excel spreadsheet with page numbers on each page. Excel has changed a lot over the years, but one thing that hasn't changed is the way that you insert page numbers into a spreadsheet. Unfortunately, Excel 2010 does not make it easy to find the options for doing this. This lesson covers the basics of inserting page numbers as well as providing an overview of some more advanced options.

Excel's Pivot Table feature is an incredibly powerful tool that makes it easy to tabulate and summarise data in your spreadsheets, particularly if your data changes a lot. This lesson will show you how to create a simple pivot table in Excel to summarize a set of daily sales data for a team of several sales people.

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