- Trending Categories
- Data Structure
- Networking
- RDBMS
- Operating System
- Java
- iOS
- HTML
- CSS
- Android
- Python
- C Programming
- C++
- C#
- MongoDB
- MySQL
- Javascript
- PHP

- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who

# Basic calculator program using Python program

In this tutorial, we are going to build a basic calculator in Python. I think all of you have an idea about the basic calculators. We will give six options to the user from which they select one option, and we will perform the respective operation. Following are the arithmetic operations we are going to perform.

- Addition
- Subtraction
- Multiplication
- Division
- Floor Division
- Modulo

Try to implement it's on your own. Follow the below steps to write code for a simple calculator.

## Algorithm

1. Initialise the two numbers. 2. Ask the user to enter an option by giving six options. 3. After getting the option from the user write if conditions for every operation based on the option. 4. Perform the respective operation. 5. Print the result.

Let's write the code.

## Example

## initializing the numbers a, b = 15, 2 ## displaying catalog for the user choice print("1 - Addition\n2 - Substraction\n3 - Multiplication\n4 - Division\n5 - Floor Division\n6 - Modulo") ## getting option from the user option = int(input("Enter one option from the above list:- ")) ## writing condition to perform respective operation if option == 1: print(f"Addition: {a + b}") elif option == 2: print(f"Substraction: {a - b}") elif option == 3: print(f"Multiplication: {a * b}") elif option == 4: print(f"Division: {a / b}") elif option == 5: print(f"Floor Division: {a // b}") elif option == 6: print(f"Modulo: {a % b}")

## Output

If you run the above program, you will get the following output.

1 - Addition 2 - Substraction 3 - Multiplication 4 - Division 5 - Floor Division 6 - Modulo Enter one option from the above list:- 3 Multiplication: 30

Let's execute the program once again

## Example

## initializing the numbers a, b = 15, 2 ## displaying catalog for the user choice print("1 - Addition\n2 - Substraction\n3 - Multiplication\n4 - Division\n5 - Floor Division\n6 - Modulo") ## getting option from the user option = int(input("Enter one option from the above list:- ")) ## writing condition to perform respective operation if option == 1: print(f"Addition: {a + b}") elif option == 2: print(f"Substraction: {a - b}") elif option == 3: print(f"Multiplication: {a * b}") elif option == 4: print(f"Division: {a / b}") elif option == 5: print(f"Floor Division: {a // b}") elif option == 6: print(f"Modulo: {a % b}")

## Output

If you run the above program, you will get the following output.

1 - Addition 2 - Substraction 3 - Multiplication 4 - Division 5 - Floor Division 6 - Modulo Enter one option from the above list:- 6 Modulo: 1

## Conclusion

If you have any doubts regarding the tutorial, mention them in the comment section.

- Related Questions & Answers
- Basic calculator program using Python
- Basic calculator program using C#
- Basic calculator program using Java
- Basic Calculator II in Python
- Basic Calculator in C++
- Basic Calculator III in C++
- Golang Program to create a Class that can perform basic Calculator Operations
- Program to create grade calculator in Python
- Python Program for Basic Euclidean algorithms
- Program for EMI Calculator in C program
- Python Program to Create a class performing Calculator Operations
- Java Program to create a Calculator
- Java program to generate a calculator using the switch case
- How to write a simple calculator program using C language?
- Java Program to Make a Simple Calculator Using switch...case

Advertisements