Xtreme Calculations is an advanced calculator software, which has many features related to math. It also provides a Windows desktop style interface for easier navigation. Further, Xtreme Calculations even provides a "Leisure app", which has a few games and email.
Full Specifications
What's new in version 22.0
Linear equations in multiple variables
Android style interface
Amanda
Picture tools
Statistics
Polynomial substitution
Progressions
Integer base converter
General
ReleaseJuly 6, 2014
Date AddedJuly 6, 2014
Version22.0
Operating Systems
Operating SystemsWindows 8, Windows Vista, Windows, Windows Server 2008, Windows 7, Windows XP