The contraption required to do sums in Roman numerals resembled a chess/checker board, and the French word for chess was échec. France controlled England when the office of the treasurer was created, which is why the British treasurer is called the Chancellor of the Exchequer
The contraption required to do sums in Roman numerals resembled a chess/checker board, and the French word for chess was échec. France controlled England when the office of the treasurer was created, which is why the British treasurer is called the Chancellor of the Exchequer