Courses

Learn it in order, and finish

Every course below is a sequence with a promise at the start and an end you reach. You always know what comes next and why it comes next, and every step you finish is saved to your Passport.

Physics and engineeringCircuits from scratchBy the end you can read a circuit diagram, predict what a change will do before you build it, and explain why a series branch and a parallel branch behave differently.Open the course →
MathematicsAlgebra you can trustBy the end you can solve linear equations, inequalities and pairs of simultaneous equations without guessing — and say why every step you took was allowed.Open the course →
Logic and reasoningThinking straightBy the end you can take an argument apart, name exactly what is wrong with it, and build one of your own that holds up.Open the course →
StatisticsRead the dataBy the end you can summarise a set of data honestly, say what it does and does not show, and spot a chart that is lying to you.Open the course →
Computer scienceDebug itBy the end you can read code you did not write, find the bug in it, and explain why it was a bug.Open the course →

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