Calculator Toolbox for Windows 10 and Windows Phone on sale for $0.99 until January 1

[WindowsCentral.com]

Windows 10 and Windows Phone users who are looking for a solid calculator app should check out the holiday sale on Calculator Toolbox. The app is currently priced at $0.99 from now until January 1. which half its normal $1.99 price tag in the Windows Store.

Full story from the WindowsCentral blog...