Determinant of a 2 by 2 Matrix  Calculator
An online calculator that calculates the determinant of a 2 by 2 matrix.

Let A be a 2 by 2 matrix given by
How to Use the Calculator1  Enter coefficients a, b, c and d press "enter". 
An online calculator that calculates the determinant of a 2 by 2 matrix.

Let A be a 2 by 2 matrix given by
How to Use the Calculator1  Enter coefficients a, b, c and d press "enter". 