Videos
Short videos explaining how to tackle the questions, use your calculator, and more. Watch a video, then practise the matching topic.
Getting started
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Using your calculator (coming soon)
The calculator settings and functions you need for this module.
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How to use this site (coming soon)
Read the notes, work on paper, then check your answers.
Units
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Converting between units (coming soon)
Worked examples of imperial / metric conversions.
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Significant figures, scientific & engineering notation (coming soon)
How to round and rewrite numbers correctly.
Regression
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Linear regression on your calculator (coming soon)
Entering data and reading off r, the gradient and the intercept in statistics mode.
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Linear regression in a spreadsheet (coming soon)
Using CORREL, SLOPE and INTERCEPT (or a chart trendline) to find r, the gradient and the intercept.
Algebra
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Expanding and factorising (coming soon)
Multiplying out brackets and factorising polynomials.
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Rearranging formulae (coming soon)
Making a chosen variable the subject of a formula.
Differentiation
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The power rule and standard derivatives (coming soon)
Differentiating polynomials, sin, cos and e^x.
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Chain, product and quotient rules (coming soon)
When and how to use each of the three rules.
Integration
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Indefinite integrals and standard forms (coming soon)
Reversing the power rule, plus sin, cos and e^x.
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Reverse chain rule and definite integrals (coming soon)
Integrating functions of a linear factor, and evaluating between limits.
Partial Fractions
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Decomposing into partial fractions (coming soon)
Distinct factors, repeated factors and irreducible quadratics.
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Improper fractions (coming soon)
Dividing out before decomposing.
Trigonometry
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The sine and cosine rules (coming soon)
Solving triangles for missing sides and angles.
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Cartesian and polar coordinates (coming soon)
Converting between (x, y) and [r, theta].
Trig Functions
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The r sin(theta + phi) form (coming soon)
Combining a sin(theta) + b cos(theta) into a single wave.
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Solving equations and finding turning points (coming soon)
Using the combined form to solve equations and find maxima and minima.
Matrices
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Matrix operations and determinants (coming soon)
Adding, subtracting, multiplying matrices and finding determinants.
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Solving simultaneous equations with matrices (coming soon)
Writing equations in matrix form and solving with the inverse (or a calculator).