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Science, Maths & Technology

Science, Maths & Technology

The rules of the universe and how we work with them.

Science, Maths & Technology

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Grid List Results: 240 items
IT: Technology news Copyrighted image Icon Copyright: Used with permission free course icon Level 1 icon

Science, Maths & Technology 

IT: Technology news

To develop as an independent, confident learner you will need to learn the study skills involved in reading articles, taking notes and summarising the information that you have obtained from an article. This free course, IT: Technology news, explores the use of the Web as a resource for keeping up to date, looking in particular at how to ------ material available online.

Free course
8 hrs
IT: Information Copyrighted image Icon Copyright: Used with permission free course icon Level 1 icon

Science, Maths & Technology 

IT: Information

BBC News 24, Sky News, CNN. We live in an era where news has become almost instantaneous. This free course, IT: Information, will look at how news is gathered and the technology that's used for its dissemination. You will also be encouraged to examine how information might be manipulated by questioning its reliability.

Free course
20 hrs
IT in everyday life Copyrighted image Icon Copyright: Used with permission free course icon Level 1 icon

Science, Maths & Technology 

IT in everyday life

We now live in a global village where distance is no longer a barrier to commercial or social contact. This free course, IT in everyday life, will enable you to gain an understanding of the information and communication technologies that drive our networked world and how they now permeate our everyday lives.

Free course
4 hrs
IT: e-government Copyrighted image Icon Copyright: Used with permission free course icon Level 1 icon

Science, Maths & Technology 

IT: e-government

You can now access government directly through the web. While studying this free course, IT: e-government, you look at the scope of e-government, the databases that are necessary, the use of biometrics in identification and verification of identity, and ------ the usability and accessibility of websites.

Free course
20 hrs
IT: device to device communication Copyrighted image Icon Copyright: Used with permission free course icon Level 1 icon

Science, Maths & Technology 

IT: device to device communication

Are you a technophobe? Bluetooth, Ethernet, WiFi; are they terms that mean nothing to you? IT: device to device communication, is a free course that will gently guide you to an understanding of how devices 'talk' to each other and what technologies and processes are involved. You will also look at wired and wireless communication technologies, introducing you to some of the key methods involved.

Free course
20 hrs
Modelling and estimation free course icon Level 2 icon

Science, Maths & Technology 

Modelling and estimation

This free course is concerned with modelling and estimation and looks in particular at the binomial distribution. Section 1 starts by defining probability, introduces relevant notation and briefly discusses basic properties of probabilities. The section concludes by considering some of the general features of and ideas about modelling discrete random variables. Section 2 looks at one particular probability model for discrete data, the binomial distribution. Section 3 investigates how data can be used to estimate the probability of success in a single Bernoulli trial and introduces maximum likelihood estimation.

Free course
16 hrs
Introduction to analysis free course icon Level 2 icon

Science, Maths & Technology 

Introduction to analysis

This free course is an introduction to analysis which looks at real numbers and their properties, with a particular emphasis on inequalities. Section 1 starts by revising rational numbers and their decimal representations. Then, real numbers are introduced as infinite decimals. Section 2 looks at rules for manipulating inequalities and finding the solution set of an inequality. Section 3 looks at various techniques for proving inequalities. Section 4 introduces the concept of a least upper bound. Section 5 looks at how least upper bounds can be used to define arithmetic operations on the set of real numbers.

Free course
16 hrs
Second-order differential equations free course icon Level 2 icon

Science, Maths & Technology 

Second-order differential equations

This free course is concerned with second-order differential equations. Section 1 introduces some basic principles and terminology. Sections 2 and 3 give methods for finding the general solutions to one broad class of differential equations, that is, linear constant-coefficient second-order differential equations. Section 2 covers homogeneous equations and Section 3 covers inhomogeneous equations. Section 4 explains how extra information can be used to help to select particular solutions that are appropriate in given situations. Section 5 looks at the phenomenon of resonance to gain insights into the solutions of inhomogeneous linear constant-coefficient second-order differential equations.

Free course
16 hrs
Dynamics free course icon Level 2 icon

Science, Maths & Technology 

Dynamics

This free course is concerned with moving objects, that is, dynamics. Section 1 introduces concepts like position, velocity and acceleration, which describe the way an object moves. Section 2 discusses Newton’s laws of motion, which predict the motion of an object when the forces acting on it are known. Section 3 shows how Newton’s second law of motion can be used to predict the motion of objects. Section 4 concerns modelling some of the forces that occur in nature, which enables more realistic situations to be analysed. Section 5 looks at motion in more than one dimension.

Free course
16 hrs
Medical statistics free course icon Level 2 icon

Science, Maths & Technology 

Medical statistics

This free course is concerned with some of the statistical methods used in epidemiology and more widely in medical statistics. Section 1 introduces cohort studies in which individuals are classified according to their exposure and followed forward in time to evaluate disease outcomes. Section 2 looks at models for cohort studies. Section 3 introduces case-control studies in which individuals are selected according to their disease status and past exposures are then ascertained. Section 4 covers testing for no association in cohort studies and case-control studies.

Free course
16 hrs
Bayesian statistics free course icon Level 2 icon

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 ideas of the Bayesian inference process. The prior distribution summarises beliefs about the value of a parameter before data are observed. The likelihood function summarises information about a parameter contained in observed data and the posterior distribution represents what is known about a parameter after the data have been observed.

Free course
12 hrs
Introduction to group theory free course icon Level 2 icon

Science, Maths & Technology 

Introduction to group theory

This free course is an introduction to group theory, one of the three main branches of pure mathematics. Section 1 looks at the set of symmetries of a two-dimensional figure which are then viewed as functions. Section 2 introduces an algebraic notation for recording symmetries and calculating composites and inverses of symmetries. Section 3 introduces definitions and looks at how to check axioms for a group. Section 4 looks at how to prove that some properties of groups already looked at are general properties shared by all groups. Section 5 extends the ideas of symmetry to three-dimensions.

Free course
16 hrs
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