Entering the same formula or value into multiple cells can be time consuming and boring. Most people, if they want to enter the same formula into a row or column of data, will enter the formula in the first cell, then copy and paste it into the rest of the cells where they need the formula. This lesson shows you an even faster way to do it.

# Learn Clever Excel Tricks

Anyone can learn the basics of Excel and get the job done, but if you really want to power ahead, try some of these clever Excel tricks. If you use Excel a lot, just one of these lessons could end up taking hours off your week, leaving you with more time to get other stuff done.

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 have a range of cells, of which some contain values and some are blank, and you want to select just the blank cells, there is a quick way to select those blank cells that doesn't involve manually clicking on every one.

The SUMPRODUCT function allows you to multiply two arrays of numbers together (e.g. Quantity Sold and Price Per Unit) and add the results each individual calculation together. Without the SUMPRODUCT function, you'll find yourself having to create a third column in which you multiply the Quantity by Price for each row, and then find the sum of all the individual formulas. This lesson shows you how to use SUMPRODUCT to do all that with just one formula.

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.

The SUMPRODUCT function allows you to multiply two arrays of numbers together (e.g. Quantity Sold and Price Per Unit) and add the results each individual calculation together. Without the SUMPRODUCT function, you'll find yourself having to create a third column in which you multiply the Quantity by Price for each row, and then find the sum of all the individual formulas. This lesson shows you how to use SUMPRODUCT to do all that with just one formula.

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.

Sometimes you'll find yourself working with dates in an Excel spreadsheet that have been pasted or imported into Excel from another datasource. When that happens, Excel can treat those dates as text - in other words, they look like dates but don't behave like dates. For example you can't sort by date properly. This lesson looks at several ways you can convert a date which Excel is treating as text into a proper date value in Excel.

This lesson shows you now to extract text from a cell in Excel. This is useful when you have a cell containing combining numbers and text, such as a part number, or several text values separated by commas. It introduces the RIGHT() and LEFT() functions, which are essential text manipulation functions in Excel.

Sometimes you'll find yourself working with dates in an Excel spreadsheet that have been pasted or imported into Excel from another datasource. When that happens, Excel can treat those dates as text - in other words, they look like dates but don't behave like dates. For example you can't sort by date properly. This lesson looks at several ways you can convert a date which Excel is treating as text into a proper date value in Excel.

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