Christian Lawson-Perfect
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.
Christian's activity
Christian Lawson-Perfect created Logarithms 8 years, 4 months ago
Christian Lawson-Perfect created Powers and indices 8 years, 4 months ago
Christian Lawson-Perfect created Arithmetic operations 8 years, 4 months ago
Christian Lawson-Perfect created Rounding and estimating 8 years, 4 months ago
Christian Lawson-Perfect created Numbers in standard form 8 years, 4 months ago
Christian Lawson-Perfect created Fractions 8 years, 4 months ago
Christian Lawson-Perfect on Determining the resulting sign of an arithmetic operation 8 years, 4 months ago
Saved a checkpoint:
Not a great question.
It would be good if the answer changed - at the moment, $a$ is always positive and $b$ is always negative.
Christian Lawson-Perfect on Straight line equation application: measuring sunflower height 8 years, 4 months ago
Saved a checkpoint:
Looks OK.
Christian Lawson-Perfect on Straight line equation application: measuring sunflower height 8 years, 4 months ago
Gave some feedback: Ready to use
Christian Lawson-Perfect commented on Straight line equation application: measuring sunflower height 8 years, 4 months ago
Bit of a shame that you didn't set a checkpoint before rewriting Brad's text.