Launch Excel or open an existing table with numbers to add. Type the calculation into the cell you want to place the result, for eg =15+25+4+10+5, Press the Enter key to see the result. 2] How to ...

But when I entered the numbers with more than 15 digits, Excel replaced all the digits after the 15th digit with 0. This problem can be fixed simply by adding an apostrophe before the number.

Excel also lets you combine direct numbers and cell references in the same formula. For example, if you want to add 50 to the value in cell C1, your formula would look like this: =C1+50.

However, Excel's random number functions are volatile, meaning they change constantly. In this article, I'll show you how to generate and fix random numbers and remove duplicates.

How to add a column in Excel using the "Home" tab 1. Open Microsoft Excel on your PC or Mac computer. 2. Instead of right-clicking, you can also use a feature in the "Home" tab.

By default, two sets of numbers may result in Excel's red and blue color scheme, such as when you do a column or bar chart. Once you have a chart on the grid, clicking it reveals a new, green ...

Launch Microsoft Excel 2010 and open the spreadsheet you want to edit. Select the worksheet for which you want to insert the page number. Click the "View" tab on the upper side of the Excel window.