Apache Commons Math Java Apache Commons Math The Math project is a library of lightweight, self-contained mathematics and statistics components addressing the most common practical problems not immediately available in the Java programming language or commons-lang. commons-math TBD 2.2 commons-math 2010-04-02 2.1 commons-math 2009-08-03 2.0 commons-math 2008-02-24 1.2 commons-math 2005-12-19 1.1 commons-math 2004-12-06 1.0