Short description of Window Gadgets Calculator 1.1: Window Gadgets Calculator is a simple caclulator gadget that sits on your desktop. Window Gadgets are customizable mini applications for Microsoft Windows that can be resized and placed anywhere on your desktop. You can change the design of any gadget by clicking the top left button or connecting online to choose and download more designs. Click on the bottom right corner to resize. Go to the Window Gadgets website to download more free gadgets.