Broadly speaking, pure mathematics is mathematics that studies entirely abstract concepts. From the eighteenth century onwards, this was a recognized category of mathematical activity, sometimes characterized as speculative mathematics, and at variance with the trend towards meeting the needs of navigation, astronomy, physics, economics, engineeri... Found on http://en.wikipedia.org/wiki/Pure_mathematics
noun the branches of mathematics that study and develop the principles of mathematics for their own sake rather than for their immediate usefulness Found on https://www.encyclo.co.uk/local/20974