When a symbol is used to represent a number, it is called a "numerical symbol" or simply a "symbolic representation." This can include digits (like 0-9), letters (like in algebraic expressions), or other symbols (like π for pi). In mathematics, the practice of using symbols to denote numbers is fundamental to conveying numerical concepts and operations.
variable
It is called a variable.
Variable: A letter or symbol used to represent a number or quantities that vary
a variable
The 'radical': √
It is called a variable
A variable
variable
It is a variable
The symbols used are called variables.
The symbol used in music to represent a rest is called a "rest symbol."
The symbol used to represent a nucleus is "Au", which is a combination of the atomic symbol and mass number.
It is called a variable.
It is called a variable.
A variablẹ
It is called a variable.
Variable: A letter or symbol used to represent a number or quantities that vary