The root sign is a symbol used to represent the root operation of a number or an algebraic expression. If a n = b, a is the n-th root of b or a is the 1/n power of b, and the nth handwritten and printed character is represented by √ ~.

The root number of extended data is a mathematical symbol. The root sign is a symbol used to represent the root operation of a number or an algebra. If an=b, then A is the n-th root of B or A is the 1/n power of B. The n-th handwritten and printed characters are represented by, and the number of roots or algebraic expressions are written in the area surrounded by the left side of the symbol and the right side of the horizontal part above the symbol, which cannot be out of bounds.

In ancient times, Egyptians used the symbol ┌ to represent the square root. Indians write ka in front of the square root number. Used by Arabs.

Reference Root Number _ Baidu Encyclopedia