Essential algorithms for GCSE and A Level Computer Science

Generic help designing and writing algorithms

A collection of videos to aid you in designing, writing and tracing algorithms.

What extra is in the book?

This algorithm / data structure has its own dedicated chapter in the book, which includes:

  1. Overview
  2. Typical applications / uses
  3. Typical operations
  4. The algorithm written out in simple-structured English
  5. The algorithm written out in pseudocode
  6. Full code listing Python
  7. Full code listing in Visual Basic
  8. Diagrammatic walk-through
  9. Efficiency discussion with reference to Big-O notation

A hard copy of the book is available on our shop and a free PDF copy is included for all premium subscribers.