Newton cotes Quadrature formula gives the Approximate Numerical Integration: N=1 gives Trapezoidal Rule N=2 gives Simpson 1/3 Rule N=3 gives Simpsons 3/8 Rule N=4 Boole’s Rule N=6 gives Weddle’s Rule There is no rule for N=5; NISPED Rule: Numerical Integration of Six Point Equal Duration Rule This name may be assigned for six point Numerical Integration with equal intervals.