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 published GeoGebra embed problem 5 years, 4 months ago

Christian Lawson-Perfect created GeoGebra embed problem 5 years, 4 months ago

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Christian Lawson-Perfect on GeoGebra extension demo 5 years, 4 months ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Conjugate of permutations 5 years, 4 months ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Permutations of a given order 5 years, 4 months ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Write a permutation as a product of disjoint cycles 5 years, 4 months ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Demo exam 5 years, 4 months ago

Gave some feedback: Should not be used

Christian Lawson-Perfect published Factorise a quadratic 5 years, 4 months ago

Christian Lawson-Perfect published Complete the square 5 years, 4 months ago