Member of the e-learning unit in Newcastle University's School of Mathematics and Statistics.

Lead developer of Numbas.

I'm happy to answer any questions - email me.

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Christian Lawson-Perfect on Finding the full factorisation of a polynomial, using the Factor Theorem and long division 6 years, 7 months ago

Saved a checkpoint:

Replaced javascript with a pattern restriction.

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Christian Lawson-Perfect on Factorising Quadratic Equations with $x^2$ Coefficients of 1 6 years, 7 months ago

Saved a checkpoint:

Replaced JavaScript marking with pattern restrictions.

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Christian Lawson-Perfect on Expansion of brackets 6 years, 7 months ago

Saved a checkpoint:

Replaced string restrictions with pattern restrictions.

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Christian Lawson-Perfect on Expand brackets and collect like terms 6 years, 7 months ago

Saved a checkpoint:

Replaced javascript with pattern restrictions in every part

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Christian Lawson-Perfect on Create an algebraic expression from a word problem, simplify, and evaluate 6 years, 7 months ago

Saved a checkpoint:

Replaced javascript in part cwith a pattern restriction.

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Christian Lawson-Perfect on Converting from standard index form to decimal. 6 years, 7 months ago

Saved a checkpoint:

Replaced string restriction with a pattern restriction