The Basel Problem In the 17th century, mathematicians became fascinated by an infinite series known as the Basel Problem. The question was simple to state but extremely difficult to solve: What is the exact value of the following infinite series?…
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Python Challenge: How Secure Is My Password?
Passwords are the first line of defence protecting our online accounts. But how secure is your password really? In this Python challenge we will create a program that estimates how long it would take for a hacker to guess a…
Sports Adviser Program (Python Challenge)
Choosing a sport can be tricky! Some people enjoy team sports, others prefer individual sports. Some love being outdoors, while others prefer indoor activities. In this Python challenge, you will create a simple sports adviser program that asks the user…
Duplicate Detection Algorithms & Big O Notation
One of the most powerful ways to understand Big O Notation is to compare two different ways of solving the same problem. Duplicate Detection Challenge? The aim of a duplicate detection algorithm is to determine whether a list of values…
The Story of Gauss and 1 + 2 + 3 + … + 100
When learning about algorithms, one of the most important ideas in computer science is the Big O Notation. It helps us measure how efficient an algorithm is — especially as the size of the problem gets bigger. To introduce this…
Frame-Based Animation on the BBC Micro
One of the fun things you can do in BBC BASIC is create frame-based animations using custom characters. In this tutorial, we will explain how the following program makes a stickman walk from left to right across the screen. Here…
Drawing Shapes on a BBC Micro
In this tutorial, you will learn how to use the MOVE, DRAW, and PLOT commands in BBC BASIC to create and fill shapes. By the end you will understand: How screen modes work How coordinates work How to draw triangles,…
Bitmap ASCII Characters for the BBC Micro
One of the features that made the BBC Micro such a powerful machine for games programming was the ability to redefine characters and turn text into graphics. Many classic BBC Micro games use custom characters to create sprites, icons and…
Football League Table using an API
In many modern programs and websites, data does not come from a file stored on your computer. Instead, it is often retrieved live from the internet. One of the most common ways this happens is through an API. In this…
BBC Micro – Creating a Text-Based Adventure Story Game
This tutorial is the fourth of a set of lessons/tutorials that focus on: Lesson 1: How to operate a BBC Micro Computer (Getting Started) Lesson 2: How to organise your files on a disk Lesson 3: How to write and…
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