Free courses

Produced by The Open University, a world leader in open and distance learning, all OpenLearn courses are free to study. We offer nearly 1000 free courses across 8 different subject areas. Our courses are available to start right away.

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Grid List Results: 285 items
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Group theory free course icon Level

Science, Maths & Technology

Group theory

This free course consolidates and builds on group theory studied at OU level 2 or equivalent. Section 1 describes how to construct a group called the direct product of two given groups, and then describes certain conditions under which a group can be regarded as the direct product of its subgroups. Section 2 describes the key properties of the ...

Free course
16 hrs
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Data and processes in computing free course icon Level

Science, Maths & Technology

Data and processes in computing

This free course, Data and processes in computing, will help you to understand the forms of data that are handled by software and look at the various processes that can be applied to the data. These ideas are demonstrated through the use of a supermarket till and illustrate how simple data sets can be manipulated.

Free course
14 hrs
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Nucleic acids and chromatin free course icon Level

Science, Maths & Technology

Nucleic acids and chromatin

This free course, Nucleic acids and chromatin, helps you to understand the properties of nucleotides and how they contribute to secondary and tertiary structures of nucleic acids at the molecular level. You will learn about the different composition and roles of nucleic acids in the cell, their interactions with each other and the use of ...

Free course
12 hrs
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Working with charts, graphs and tables free course icon Level

Science, Maths & Technology

Working with charts, graphs and tables

When you come across information represented in charts, graphs and tables, you'll need to know how to interpret this information. This free course, Working with charts, graphs and tables, will help you to develop the skills you need to do this. For further study, there's another course titled 'More working with charts, graphs and tables' which ...

Free course
15 hrs
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Representing and manipulating data in computers free course icon Level

Science, Maths & Technology

Representing and manipulating data in computers

Computers are all around us: in cars, kitchen scales, digital cameras, etc. But how do they store the data they hold? This free course, Representing and manipulating data in computers, will help you to understand how the data in a computer represents something in the outside world. You will also explore how ASCII code and Unicode are used to ...

Free course
20 hrs
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Systems engineering: Challenging complexity free course icon Level

Science, Maths & Technology

Systems engineering: Challenging complexity

This free course, Systems engineering: Challenging complexity, examines system engineering and why it is important. You will learn to identify and evaluate the importance of relationships within the process and assess the relative importance of stakeholders. You will also be able to classify a systems engineering project in terms of the balance ...

Free course
25 hrs
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Starting with maths: Patterns and formulas free course icon Level

Science, Maths & Technology

Starting with maths: Patterns and formulas

Patterns occur everywhere in art, nature, science and especially mathematics. Being able to recognise, describe and use these patterns is an important skill that helps you to tackle a wide variety of different problems. This free course, Starting with maths: Patterns and formulas, explores some of these patterns, from ancient number patterns ...

Free course
5 hrs
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Sound for music technology: An introduction free course icon Level

Science, Maths & Technology

Sound for music technology: An introduction

Whether you're a professional musician, play music with your friends on the weekends or just like to listen to CDs, music technology affects your life. In this free course, Sound for music technology: An introduction, you will learn some of the basics of music technology, starting with what sound is, how it is created and how it travels.

Free course
20 hrs
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Introducing ICT systems free course icon Level

Science, Maths & Technology

Introducing ICT systems

Information and communication technologies (ICTs) systems now dominate our everyday lives. This free course, Introducing ICT systems, will explain what constitutes such a system and how ICT systems work. You will also look at how ICT systems convey, store and manipulate data, and how they process data. Finally you will learn how these systems ...

Free course
9 hrs
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Crossing the boundary: analogue universe, digital worlds free course icon Level

Science, Maths & Technology

Crossing the boundary: analogue universe, digital worlds

How does the computer's peculiar binary world of digital entities differ from our analogue world of colour, sound, taste and touch? This free course, Crossing the boundary: analogue universe, digital worlds, explores the way in which information, in the form of text, still and moving images, and sound can cross the boundary from the analogue ...

Free course
20 hrs
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Introduction to algebra free course icon Level

Science, Maths & Technology

Introduction to algebra

This free course is an introduction to algebra which builds on the idea of using letters to represent numbers. Section 1 looks at finding, simplifying and using formulas and includes useful tips on learning algebra. Section 2 introduces some of the terminology used in algebra and techniques such as evaluating and checking equivalence of ...

Free course
16 hrs
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The oceans free course icon Level

Science, Maths & Technology

The oceans

The oceans cover more than 70 per cent of our planet. In this free course, The oceans, you will learn about the depths of the oceans and the properties of the water that fills them, what drives the ocean circulation and how the oceans influence our climate.

Free course
15 hrs