Make Definite And Indefenite Integral Calculator On Python

Looking to Make A Numerical Integral Calculator Based On python? Well in this post I am going to cover how to make both. How to make a Definite Integral calculator and Indefinite integral calculator on python language. Excited?

Well, that is enough of introduction part, I do not want to make it lengthy and boring, so keeping stuck to the point. Let us straightly jump into the post.

What We Are Going To Use?

For building our integral calculator you need to have 3 things:-

  • Python 3 Installed On your computer.
  • Basic Knowledge Of maths (If I Say Basic, I mean very less 😛 )
  • A maths library called Sympy (Will tell you how to install that further in the article )

So If you have the first 2 things ready, then we are good enough to start building our numerical integration python. Now we have to install Sympy mathematics library for python on our computer.

To install sympy, just enter pip install sympy and the sympy library will be installed on your computer.

Install Sympy Python Mathematical Library

Before diving into the post, previously I have already written a post on how to make Python Derivative Calculator. You can also check that out.

1- Making Indefinite Integral Calculator On Python

So here is the code of python script to make Indefinite Integral calculator. Just copy and make a new .py file and save it.

from sympy import Symbol, integrate
equation = input("Enter Equation : ")
x = Symbol('x')
result = integrate(equation, x)

2- Making Definite Numerical Integration On Python

Now let me tell you how you can also calculate definite Numerical integration on python. Like the previous one, again copy and paste the below scipt in a new .py file.

from sympy import Symbol, integrate
equation = input("Enter Equation : ")
lowerlimit = str(input("Enter Lower Limit: "))
upperlimit = str(input("Enter Upper Limit : "))
x = Symbol('x')
result = integrate(equation, (x, lowerlimit, upperlimit))


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