Fifteen years ago, on 1 January 1999, the euro was introduced as an accounting currency. Notes and coins were introduced three years later. Whilst there are arguments for and against the euro, and UKMA takes no position on this issue, no one challenged at the time that the single currency would be decimal.
To ease the transition to metric measures, straight substitution of units is often used – kg for pounds, metres for yards, km for miles and so on. Ronnie Cohen argues that, as a result, we fail to take advantage of metric’s superiority in dealing with a range of numbers, including the very large (and small).