A variable is a symbol that represents an unknown or changeable number, typically a letter such as x, y, and z.
An unknown number represented by a letter or symbol is a variable.
In Roman numerals, the symbol "V" represents the number 5.
x
Variable.
A variable.
is called a variable or a literal constant, or informally an unknown.
That is called a variable. A letter is often used.
A variable is a symbol that represents an unknown or changeable number, typically a letter such as x, y, and z.
An unknown number represented by a letter or symbol is a variable.
In Roman numerals, the symbol "V" represents the number 5.
x
Variable.
The word "variable" represents an unknown number.
variable
Let x be the unknown number. the expression is: x + 10.
The number in a nuclear chemical symbol represents the charge of the particle is the atomic number or the number of protons in the nucleus.