Numerical Integration

###About program coding this application with python 2.7 and the GUI with Tkinter library.

###Usage We wish to calculate the integral of a function f(x) from x=a to x=b by numerical methods. methods we used in this program are:

• Left-hand rectangular
• Right-hand rectangular
• Trapezoidal
• Midpoint
• Simpson’s

###How get inputs you can set the input for calculate through 2 way:

1. chose a file
2. define an equation