Whiskey is the American spelling of the term whisky. Some writers reserve "whiskey" for the spirits distilled in the United States and Ireland and "whisky" for those distilled in Great Britain and Canada--but there are many exceptions. The Welsh version is "wysgi".
... the formula should be understood as "either of those element(s) of the field whose square equals b2 - 4ac". In some fields, some elements have no ...