Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A series of numbers or quantities in geometric progression.
- ‘All geometrical series whose ratio is less than 1 are convergent, while all geometrical series whose ratio is greater than 1 are divergent.’
- ‘These properties produce an arithmetical and geometrical series at the same time.’
- ‘It would require more than five hundred terms to carry the arithmetical series to the point which, in the geometrical series, is reached in ten terms.’
- ‘Because every rational number can be expressed as the sum of an infinite geometrical series, we can be sure the common ratio of the series is in there somewhere, but how do we find it?’
- ‘If fertility and adult survival rate are constant, then the Euler sum is a finite geometrical series and can be calculated.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.