Symbol  Format  Data 

c  Code Point 
U+0063 
TeX 
c 

SVG 
The ‘c’ symbol is used in mathematics and science to denote a variable or a constant. In equations, such as the quadratic equation:
‘c’ represents a constant term. In this equation, the values of ‘a’, ‘b’, and ‘c’ are constants and determine the shape and position of the parabola when the equation is graphed. In the context of physics, ‘c’ often denotes the speed of light in a vacuum.
The Latin capital letter C is used in mathematics as a variable.
A variable is a symbol that represents an unknown or indeterminant quantity. Variables can represent numbers, vectors, or other mathematical objects, depending on the context.
A constant is a value that does not change or vary in a mathematical expression or equation. It is the opposite of a variable, which can take on different values. Constants can be numbers, symbols, or even functions that remain unchanged throughout a given problem or context.
A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression.