In this case, that answer was a square root: binary 11, or 3. But the cascades, like the model trains, are customizable, and the team could have easily designed a circuit to do addition or ...

Learning to calculate square roots quickly can make a huge difference in your maths exams. Whether you're doing algebra, geometry, or other topics, being fast and accurate with square roots gives ...

The prodigal pooch can add, subtract and do square roots - with his owners claiming an incredible 85 per cent accuracy rate - just as long as he's fed a treat for his endeavours.

Learning to calculate square roots quickly can make a huge difference in your maths exams. Whether you're doing algebra, geometry, or other topics, being fast and accurate with square roots gives ...