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 9 different subject areas. Our courses are available to start right away.
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Science, Maths & Technology
Squares, roots and powers
From paving your patio to measuring the ingredients for your latest recipe, squares, roots and powers really are part of everyday life. This free course reviews the basics of all three and also describes scientific notation, which is a convenient way of writing or displaying large numbers.

Science, Maths & Technology
Diagrams, charts and graphs
Diagrams, charts and graphs are used by all sorts of people to express information in a visual way, whether it's in a report by a colleague or a plan from your interior designer. This free course will teach you how to interpret these tools and how to use them yourself to convey information more effectively.

Science, Maths & Technology
Language, notation and formulas
Communication is as vital in mathematics as in any language. This free course, Language, notation and formulas, will help you to express yourself clearly when writing and speaking about mathematics. You will also learn how to answer questions in the manner that is expected by the examiner.

Science, Maths & Technology
Geometry
Geometry is concerned with the various aspects of size, shape and space. In this free course you will explore the concepts of angles, shapes, symmetry, area and volume through interactive activities.

Science, Maths & Technology
Using a scientific calculator
Do you have a Casio fx-83 ES scientific calculator (or a compatible model) and want to learn how to use it? This free course, Using a scientific calculator, will help you to understand how to use the different facilities and functions and discover what a powerful tool this calculator can be!

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 ...

Society, Politics & Law
Getting started with SPSS
Handling statistical data is an essential part of psychological research. However, many people find the idea of using statistics, and especially statistical software packages, extremely daunting. This free course, Getting started with SPSS, takes a step-by-step approach to statistics software through seven interactive activities. No statistics ...

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 ...

Science, Maths & Technology
More working with charts, graphs and tables
When you encounter maths or technical content you'll need to know how to interpret this information, and possibly to present your own findings in this way. This free course, More working with charts, graphs and tables, will help you to develop the skills you need to do this, and gain the confidence to use them. This free course builds on our ...

Science, Maths & Technology
Key skills assessment unit: application of number
Numerical and mathematical skills are used to describe and tackle a wide range of problems. These key skills are about understanding when particular techniques should be used, how to carry them out accurately and which techniques should be applied in particular situations. Developing your numerical, graphical and algebraic skills means being ...

Science, Maths & Technology
Working mathematically
This free course, Working mathematically, is aimed at teachers who wish to review how they go about the practice of teaching mathematics, those who are considering becoming mathematics teachers, or those who are studying mathematics courses and would like to understand more about the teaching and learning process.

Science, Maths & Technology
Analytical science: secrets of the Mary Rose
This free course, Analytical science: secrets of the Mary Rose, teaches you about the analytical techniques that are used in the research and investigation of historical objects using the case study of the Mary Rose. It covers the use of sonar to locate shipwrecks, and the analysis of the artefacts found on the ship, and the crew and their remains.