17. Building a better Calculator - tomaslt99/Python-language-tutorials GitHub Wiki

Building a better Calculator

Code:

# Calculator basic arithmetic operations: add, subtract, multiply and divide.
code:
num1 = float(input("Enter 1st number:"))
op = input("Enter operator (example +.-./.*):")
num2 = float(input("Enter 2nd number:"))

if op == "+":
    print(num1 + num2)
elif op == "-":
    print(num1 - num2)
elif op == "/":
    print(num1 / num2)
elif op == "*":
    print(num1 * num2)
else:
    print("Invalid operator")