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Computer Science GCSE and A Level Courses and Resources Basket

Cambridge A Level Computer Science Trace Tables Exam-Style Question

The Cambridge International AS and A Level Computer Science Coursebook is generally a fantastic resource, covering the entire 9608 syllabus in depth. However, there are a few frustrating issues with the book,...

computer science a level gcd on ti-84 graphing calculator

The Euclidean Algorithm on the TI-84 Graphing Calculator

The Euclidean Algorithm an ancient Greek method for finding the greatest common divisor of two numbers. In spite of its age, it is still of great importance in modern mathematics and computing,...

Caesar Cipher – GCSE Computer Science

A common question in GCSE Computer Science exams involves encoding or decoding a message using a Caesar Cipher. This is a simple device named after the famous Emperor who used it to...

Python Turtle Circle sector challenge for GCSE Computer Science

Python Circle Sector Challenge

Maths and Computer Science are often taught very separately, and yet they make excellent companions. Writing a program to explore a topic from Maths can really help to understand the topic deeply...