Microsoft Excel is a spreadsheet application which allows users to perform calculations, graphing tools, pivot tables and a macro programming language called Visual Basic for Applications. Microsoft Excel comes with so many great features which can help you perform many tasks easily. You can even add Windows Calculator to your Microsoft Exceltoolbar if you want to perform quick calculations in Excel.
If you want to add Windows Calculator in Microsoft Excel,
1. Open Microsoft Excel and click on “Customize Quick Access Toolbar” and select “More Commands”.

2. It will open Excel Options. In the “Choose Commands From” drop down menu, select “Commands not in the Ribbon”.

3. It will show you the list of applications that are not in the quick access toolbar. Select Calculator from the list and click Add.

4. Click OK and it will add Windows Calculator to your quick access toolbar as shown below.

Do write in your comments with your views and any new ideas.
