\DeltaThe Greek letter Delta (\Delta) is commonly used in mathematics and science to represent a change or difference in a certain quantity. It is often used in calculus, physics, and other fields to denote a finite change in a variable.
Represents the change in the variable x between two points.
\Delta x = x_2 - x_1Used in calculus to denote the change in the function value as x changes.
\Delta y = f(x+\Delta x) - f(x)Represents the change in time between two events.
\Delta t = t_2 - t_1