Websites

Chalkdust, Magazine for the Mathematically Curious | UCL

http://chalkdustmagazine.com/

Read all previous issues and blog posts on their site. The most recent print covers variations on Fermat’s Last Theorem, slide rules, linear algebra, and dragon curves in a fun and friendly format.

Gutenberg Project

http://www.gutenberg.org/wiki/Main_Page

Here you can download more than 54,000 eBooks for which copyright has expired.

STEP Database

http://stepdatabase.maths.org/

Searchable database of all past STEP questions so you can practice by topic.