WGCalculator

WGCalculator is a great replacement for the built-in Windows calculator. It supports all of the same arithmetic operations and functions as the standard Windows desktop accessory, but we’ve made ours much more convenient, attractive and easy-to-use. WGCalculator’s unique features allow users to change its look (skin) as desired. That includes large-type skins to help avoid eyestrain finding the right buttons and digits. If you don’t like the looks of the standard Windows calculator, WGCalculator is your choice. Basic features include: changeable appearance by applying any skin you like, free skin updates,
skins can be easily downloaded and installed from within the program with just a few mouse clicks, adjustable window transparency, program minimizes to the Windows system tray, Hotkey controls minimizing and restoring program window, clipboard support to allow exchange of information with other applications, support for engineering calculations.