The root sign is a symbol representing the root operation of a number or an algebraic expression. This is a mathematical symbol. This article will introduce the function and history of the root symbol.

The origin of √√.

/kloc-in the 0/7th century, Descartes, a French mathematician, first used the radical sign "√ ~", which is still in use today. Sometimes many terms have been squared. In order to avoid confusion, Descartes connected these items with a horizontal line, and added the root sign ~ in front of them, which is the current form of the root sign.

The appearance of cube root symbol

The cube root symbol appeared very late, and it was not until the eighteenth century that the usage of the cube root symbol was seen in a book.

Function of root symbol

Yes: a symbol representing the root operation of a number or an algebraic expression. If a \ @ b, then a is the n-th root of b, or a is1of b; N power.