Visit Microsoft.com, CNET.com or EEWeb.com for a large selection of desktop calculator apps. The three websites offer calculator apps for free, and most of these apps are compatible with Windows and Mac operating systems.
To download a desktop calculator using Microsoft.com, click the Store tab and select the Apps option from the drop-down menu. Using the search bar, type "calculator," and hit Enter. Results show various calculator apps available to download for free. Select an app, and click on the Get the App button below the app description. Most available apps work on Windows 8 and Windows 10 operating systems.
On CNET.com, select the Download button; choose an operating system, and type "calculator" in the search bar at the top of the page. Narrow results by selecting personal preferences using the menu on the left side of the page. To download an application, click on the Download button to the right of the app description.
EEWeb.com has a scientific calculator that is accessible through the search platform. To get to the eCalc app, type "calculator" in the search box, and hit Enter. Select the Download eCalc Calculators link. The calculator is free to download temporarily, but users must purchase the version after the trial period expires. To download, select an operating system. After the download, open the.zip file and run the program.