how to make a calculator in Python
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Make Calculator in Python. To make simple calculator in python to perform basic mathematical operations such as add, subtract, multiply, and divide two numbers entered by the user. To make calculator in python, first provide 5 options to the user, the fifth option for exit.
Harshal307:
can you give me the program
Select operation. 1.Add 2.Subtract 3.Multiply 4.Divide Enter choice(1/2/3/4): 3 Enter first number: 15 Enter second number: 14 15 * 14 = 210
In this program, we ask the user to choose the desired operation. Options 1, 2, 3 and 4 are valid. Two numbers are taken and an if...elif...else branching is used to execute a particular section. User-defined functions add(), subtract(), multiply() and divide() evaluate respective operations.
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Python Program to Make a Simple Calculator
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.
To understand this example, you should have the knowledge of following Python programming topics:
Python FunctionsPython Function ArgumentsPython User-defined Functions
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")
Output
Select operation. 1.Add 2.Subtract 3.Multiply 4.Divide Enter choice(1/2/3/4): 3 Enter first number: 15 Enter second number: 14 15 * 14 = 210
In this program, we ask the user to choose the desired operation. Options 1, 2, 3 and 4 are valid. Two numbers are taken and an if...elif...elsebranching is used to execute a particular section. User-defined functions add(), subtract(), multiply()and divide() evaluate respective operations.
Python Program to Make a Simple Calculator
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.
To understand this example, you should have the knowledge of following Python programming topics:
Python FunctionsPython Function ArgumentsPython User-defined Functions
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")
Output
Select operation. 1.Add 2.Subtract 3.Multiply 4.Divide Enter choice(1/2/3/4): 3 Enter first number: 15 Enter second number: 14 15 * 14 = 210
In this program, we ask the user to choose the desired operation. Options 1, 2, 3 and 4 are valid. Two numbers are taken and an if...elif...elsebranching is used to execute a particular section. User-defined functions add(), subtract(), multiply()and divide() evaluate respective operations.
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