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 i,j,k are unit vectors 4 years, 6 months ago

Gave some feedback: Ready to use

Christian Lawson-Perfect created i,j,k are unit vectors 4 years, 6 months ago

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Christian Lawson-Perfect on j instead of i for the imaginary unit 4 years, 6 months ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on j instead of i for the imaginary unit 4 years, 6 months ago

Gave some feedback: Needs to be tested

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Christian Lawson-Perfect on j instead of i for the imaginary unit 4 years, 6 months ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Construct the region satisfied by three inequalities 4 years, 6 months ago

Saved a checkpoint:

Drag a point inside the region satisfied by the inequalities.

Picture of Christian Lawson-Perfect

Christian Lawson-Perfect on Construct the region satisfied by three inequalities 4 years, 6 months ago

Saved a checkpoint:

first working version