Source Code: Simple Caculator by Making Functions '' Program make a simple calculator that can add, subtract, multiply and divide using functions '' # This function adds two numbers def add(x, y): return x + y # This function subtracts two numbers def subtract(x, y): return x - y # This function multiplies two numbers def multiply(x, y): return x * y # This function divides two numbers def divide(x, y): return x / y print('Select operation.' ) print('1.Add') print('2.Subtract') print('3.Multiply') print('4.Divide') # Take input from the user choice = input('Enter choice(1/2/3/4):') num1 = int(input('Enter first number: ')) num2 = int(input('Enter second number: ')) if choice == '1': print(num1,'+',num2,'=', add(num1,num2)) elif choice == '2': print(num1,'-',num2,'=', subtract(num1,num2)) elif choice == '3': print(num1,'*',num2,'=', multiply(num1,num2)) elif choice == '4': print(num1,'/',num2,'=', divide(num1,num2)) else: print('Invalid input').
Calculating IRA/retirement with Python from user. What I am trying to do now is calculate the value every five years based. My current program outputs something. Nov 10, 2015 My favourite programming exercise now done in Python language. Goal is to get user birth age and calculate his age based on current year. We could hard. In this example you will learn to create a simple calculator that can add, subtract, multiply or divide depending upon the input from the user.