DELTA

Engineering Functions:
Function: DELTA() - Tests whether two values are equal. Returns 1 if number1 = number2; returns 0 otherwise. This function is also known as the Kronecker Delta function.
(E1): Compare values 4 and 5 - Result is 0 - The values are not equal
(E2): Compare values 3 and 3 - Result is 1 - The values are equal
(E3): Compare values 0.5 and 0 - Result is 0 - The values are not equal