Essential websites for mathematicians
MathSciNet - a great website for searching for academic papers
The American Mathematical Society
Mathjobs - a must-visit for anyone who wishes to do maths for a living
Math Stack Exchange - great for asking maths questions of any kind
Math Overflow - a platform for discussing maths research problems
University of Bristol Maths Department - where my home is right now
ArXiV Mathematics - a free-to-use website for authors to post their publications
Number Theory Web - everything number theory related...