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
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 ...

Science, Maths & Technology
Everyday maths 1
This free course, Everyday maths 1, is designed to bring your learning to life, inspiring you to improve your current maths skills or helping you to remember any areas that you may have forgotten. Working through the examples and interactive activities in this course will help you to, among other things, run a household or make progress in your ...

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
Point estimation
This free course looks at point estimation, that is, the estimation of the value of the parameter of a statistical model by a single number, a point estimate for the parameter. Section 1 develops some aspects of maximum likelihood estimation. In particular, you will find out how to obtain the maximum likelihood estimator of an unknown parameter,...

Nature & Environment
The frozen planet
This free course is a general introduction to the frozen planet, including the temperature in the polar regions; the energy from the Sun and the seasons; reading and understanding graphs and maps; and how the Arctic and Antarctic regions are defined.

Science, Maths & Technology
Migration
Migration is a free course looking at the migrations of animals, with special reference to birds, and also introducing the themes of movement, selection and homeostasis.

Science, Maths & Technology
Bayesian statistics
This free course is an introduction to Bayesian statistics. Section 1 discusses several ways of estimating probabilities. Section 2 reviews ideas of conditional probabilities and introduces Bayes’ theorem and its use in updating beliefs about a proposition, when data are observed, or information becomes available. Section 3 introduces the main ...

Science, Maths & Technology
Personal development planning for engineering
This free course, Personal development planning for engineering, has been written in keeping with the requirements of UK-SPEC and the professional engineering institutions (e.g. ImechE, IET etc). It will provide you with a range of relevant information and guidance in critically assessing and scrutinising your career development aspirations.

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.

Health, Sports & Psychology
Forensic science and fingerprints
This free course, Forensic science and fingerprints, covers how science can make fingerprints easier to study, how they are used in court and some of the questions about the extent to which fingerprint identification is sound and scientific. Students will learn the principles used in classifying and matching fingerprints (often called marks).

Science, Maths & Technology
Practising science: Reading the rocks and ecology
Have you ever wondered how scientists analyse the environment? This free course, Practising science: Reading the rocks and ecology, introduces you to the techniques used by science students at residential schools. You will learn how to determine where rocks have come from and how they were made. You will also examine the processes involved in ...

Science, Maths & Technology
Cell signalling
This free course, Cell signalling, explains the general principles of signal transduction and specifically, how even the simplest organisms can detect and respond to events in their ever-changing environment.