Numerical Integration by Trapeziod Sum and Simpson's Rule
Description
This function calculates Numerical Integration by Trapeziod Sum and Simpson's Rule 
Input:
	Mathmatical Equation (Integration Type)
Output:
	Integral Output
Numerical Integration by Trapeziod Sum and Simpson's Rule

Use 2 * x or 2*x instead of 2x and use 1st braces in functions e.g. sin(x) not sinx
f(x)e
Lower Limit
Higher Limit
Number of Parts
Calculator Output

Numerical Integration Using Trapezoid Sums

f115.275 ( pow(x, 2) * exp(-x) ) dx = 1.8387104301423