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 Lawson-Perfect was given access to Find the gradinet of the y= 8x +6 1 week, 6 days ago

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Christian Lawson-Perfect on Numbas demo: multiple choice 2 months, 1 week ago

Saved a checkpoint:

Added negative marks to the incorrect choices

Christian Lawson-Perfect published Displaying surd fractions 2 months, 4 weeks ago

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Christian Lawson-Perfect on Using Surds, Rationalising the Denominator 4 months 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 4 months ago

Saved a checkpoint:

Replaced string restrictions and javascript with pattern restrictions.