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 Logarithms 8 years, 4 months ago

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Christian Lawson-Perfect on Show all the factors of a number 8 years, 4 months ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Show the prime factorisation of a number 8 years, 4 months ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Factorising Quadratic Equations with $x^2$ Coefficients Greater than 1 8 years, 4 months ago

Saved a checkpoint:

Whoops - the prompt had the constant term as $c \times d$ instead of $b \times d$. Thanks for pointing this out!

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Christian Lawson-Perfect on Factorising Quadratic Equations with $x^2$ Coefficients Greater than 1 8 years, 4 months ago

Gave some feedback: Has some problems