The scientists at the Royal Society of Chemistry have come up with many complex mathematical formulae in their time, but perhaps never one this silly: today they unveil their sums for calculating how ...

There are two formulae for standard deviation. \(s = \sqrt {\frac{{\sum {{{(X - \bar X)}^2}} }}{{n - 1}}}\) (where n is the sample size). The second formula is a re ...

The plural of formula is formulae. A formula is a mathematical rule or relationship that uses letters to represent amounts which can be changed – these are called variables. For example, the formula ...

The best tasting ring doughnuts are said to be those straight from the fryer with just the right level of softness, a crispy crust and a light dusting of sugar. And now a mathematician has established ...

Does your kid find it hard to remember multiplication tables or recall stories for exams? Well, good news for you that their memory can be strengthened and trained. Memory is the invisible superpower ...