Microsoft Excel is a tool that is widely used by people all over the world to organize, analyze, and manipulate data. One of the most basic tasks when working with this software is adding numbers together. It may seem like a simple task, but adding numbers in Excel can be done more efficiently by using formulas. Here is a step-by-step guide on how to add numbers in Excel using a formula:

Step 1: Open an Excel Worksheet

Open a new or existing Excel worksheet where you want to add numbers using a formula.

Step 2: Select the Cells to be Added

Select the cells that you want to add together by clicking on the first cell and then dragging the mouse to the last cell in the range or hold down the “Shift” key while clicking on the cells.

Step 3: Select the “AutoSum” Button

After selecting the cells to be added, go to the “Home” tab, and click on the “AutoSum” button which has the sigma symbol (∑) on it. This button is located on the editing section of the ribbon.

Step 4: Click on “Enter”

Once the “AutoSum” button is clicked, Excel will automatically add up the values in the selected cells and display the total in the cell below the selected range. Click on “Enter” to finish.

Step 5: Check the Calculation

After completion, take time to check the total displayed for accuracy to ensure that nothing has gone wrong.

In conclusion, adding numbers in Excel is an extremely useful task that is essential for anyone who works with numbers. By using the formula, you can save time and avoid errors when adding up numbers. The above steps provide an easy and efficient means of getting the job done. With these steps, you no longer have to worry about manual addition or the possibility of missing an amount.