This is a page of assorted links to external websites, on the subject of Raspberry Pi, Python, Maths and Programming. [Standard disclaimer: we are not responsible for the content of any of these links].

Raspberry Pi

• The official website
• The Wiki
• The Magazine
• The Pi Store
  

Raspberry Pi Tutorials

• on YouTube
• Adafruit
• raspberrypiforums.com
• raspberrypi-tutorials.co.uk
• PiProgramming.org
  
• University of Cambridge CS lab

Python Tutorials

• List of tutorials: (i) For beginners,  (ii) For progammers
• Invent with Python
• Team Python
• python.org tutorials
• University of Sheffield (Maths)
  
• Codacademy
• LearnStreet
• Google developers
  

Games with Python

• Pygame introduction
  
• Newbie guide to Pygame
• Introduction to Python Game Programming
• Writing a game in Python with Pygame
  

Programming Challenges

• Project Euler
• Python Challenge
• National Cipher Challenge
• Raspberry Pi summer coding contest
• List of other challenges
  

Other RPi Competitions

• University of Manchester
• bit-tech
  

Sheffield

• Pimoroni
• Games Brittania
  

Other

• Disambiguation: Pi Cubed is (also) a visual math application for the iPhone, iPod touch, and now iPad that lets you perform calculations as you would on a piece of paper. 
• Raspberry Pi Supercomputer
• Lifehacker
• Girl Geek, blog of Sheffield and Hull-based computer science student.
  
• Raspberry Pi Kid blog