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 - either use the Feedback button on the left or email me.

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Christian's activity

Christian Lawson-Perfect was given access to iPad Bug 3 weeks, 5 days ago

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Christian Lawson-Perfect on Using Surds, Rationalising the Denominator 1 month, 3 weeks ago

Saved a checkpoint:

Replaced some javascript with pattern restrictions. There are still some string restrictions that could be replaced with pattern restrictions.

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Christian Lawson-Perfect on Laws of Indices 1 month, 3 weeks ago

Saved a checkpoint:

Replaced string restrictions and javascript with pattern restrictions.

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Christian Lawson-Perfect on Finding the full factorisation of a polynomial, using the Factor Theorem and long division 1 month, 3 weeks ago

Saved a checkpoint:

Replaced javascript with a pattern restriction.