Frontiers | Peer Reviewed Articles - Open Access Journals Open-access publisher of peer-reviewed scientific articles across the entire spectrum of academia. Research network for academics to stay up-to-date with the latest scientific publications, events, blogs and news.
UNDP - United Nations Development Programme UNDP works to eradicate poverty and reduce inequalities through the sustainable development of nations, in more than 170 countries and territories.
Step-by-Step Math Problem Solver QuickMath allows students to get instant solutions to all kinds of math problems, from algebra and equation solving right through to calculus and matrices.