Surds are square roots which can’t be reduced to rational numbers. Some can be simplified using various rules or by rationalising the denominator. Simplifying expressions using the laws of indices ...

Discover the Narwal Freo Z Ultra: ultra-premium robot vacuum cleaner with 8000 Pa suction, hot water washing, all-in-one ...

Dr Reyaz Ahmad                  Math fluency is no longer just about speed in mental calculations or rote memorisation of ...

Most people break out in a cold sweat when they see fractions. There's something about those little lines and numbers stacked on top of each other that makes even confident adults feel like they're ...

As you think about New Year's resolutions, consider one that protects every part of your life in 2026: removing your personal data from the internet. Not your social media posts. Not your email ...

December should be a launchpad for 2026 — not a graveyard of outdated performance reviews and recycled goals that won’t matter in February. But that’s exactly where most leaders get stuck. If 2026 ...

Rationalising an expression means getting rid of any surds from the bottom (denominator) of fractions. Usually when you are asked to simplify an expression it means you should also rationalise it.

It seems like a fair assessment to state that the many ‘AI’ features that Microsoft added to Windows 11 are at least somewhat controversial. Unsurprisingly, this has led many to wonder about disabling ...