Microsoft Excel 2007 replaced Excel 2003. It include several skin of the 2003 version, in addition to a new boundary, more rows and columns, themes/styles, easier access to formula, enhanced sorting and filtering. Excel 2007 accommodates new columns and rows that are added to your data, so you won't have to update them manually.

• Open Microsoft Excel and create a worksheet with the data you wish for to calculate. Place your cursor in an empty cell lower or beside the column you want to calculate.

• Select the "Formula" tab from the decoration and connect on "AutoSum" under the "Function Library" group. To add all the numbers in a column, click on the "AutoSum" button. Excel 2007 will select the calculated cell on the worksheet for you.

• Press the "Enter" key to accept the answer or manually select the cell you want to calculate, and then press the "Enter" key.

• Repeat the answer for additional column or row, or copy the blueprint to your other cells. To copy your calculation to another cell, select the cell with the formula. Then place your mouse just outside the chamber until your mouse becomes a plus sign.

• Draw the cell in the direction of the cells anywhere you want the recipe added. The formula will be repeated on those cells.

• Calculate the average of numbers by insertion your cursor in an empty cell and clicking on the arrow for the "AutoSum" knob in the "Formula" tab. Then click on

• Use a different procedure by clicking on "More Functions" within "AutoSum." Find the formula you need by searching for the function or changing the category and selecting it. The "Function urging" dialog box will open up

• Click on the badge to the right of the dialog box and select the range of values you need. Click on the button again to return to the "Functions Argument" box. Then press "OK" when you are finished.