純粹數學

純粹數學，簡稱純數，係數學嘅分支，集中研究數學本身，同應用數學相反。

What is Pure Mathematics? – Department of Pure Mathematics, University of Waterloo
 What is Pure Mathematics? by Professor P. J. Giblin The University of Liverpool
The Principles of Mathematics by Bertrand Russell
How to Become a Pure Mathematician (or Statistician), a list of undergraduate and basic graduate textbooks and lecture notes, with several comments and links to solutions, companion sites, data sets, errata pages, etc.

數學