Videos

Short videos explaining how to tackle the questions, use your calculator, and more. Watch a video, then practise the matching topic.

Getting started

• Using your calculator (coming soon)
  The calculator settings and functions you need for this module.
• How to use this site (coming soon)
  Read the notes, work on paper, then check your answers.

Units

• Converting between units (coming soon)
  Worked examples of imperial / metric conversions.
• Significant figures, scientific & engineering notation (coming soon)
  How to round and rewrite numbers correctly.

Regression

• Linear regression on your calculator (coming soon)
  Entering data and reading off r, the gradient and the intercept in statistics mode.
• 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

• Expanding and factorising (coming soon)
  Multiplying out brackets and factorising polynomials.
• Rearranging formulae (coming soon)
  Making a chosen variable the subject of a formula.

Differentiation

• The power rule and standard derivatives (coming soon)
  Differentiating polynomials, sin, cos and e^x.
• Chain, product and quotient rules (coming soon)
  When and how to use each of the three rules.

Integration

• Indefinite integrals and standard forms (coming soon)
  Reversing the power rule, plus sin, cos and e^x.
• Reverse chain rule and definite integrals (coming soon)
  Integrating functions of a linear factor, and evaluating between limits.

Partial Fractions

• Decomposing into partial fractions (coming soon)
  Distinct factors, repeated factors and irreducible quadratics.
• Improper fractions (coming soon)
  Dividing out before decomposing.

Trigonometry

• The sine and cosine rules (coming soon)
  Solving triangles for missing sides and angles.
• Cartesian and polar coordinates (coming soon)
  Converting between (x, y) and [r, theta].

Trig Functions

• The r sin(theta + phi) form (coming soon)
  Combining a sin(theta) + b cos(theta) into a single wave.
• Solving equations and finding turning points (coming soon)
  Using the combined form to solve equations and find maxima and minima.

Matrices

• Matrix operations and determinants (coming soon)
  Adding, subtracting, multiplying matrices and finding determinants.
• Solving simultaneous equations with matrices (coming soon)
  Writing equations in matrix form and solving with the inverse (or a calculator).