Python calculator

How to make a calculator in python

def calculate(a, b, formula):
  if formula == '+':
    return a + b
  elif formula == '-':
    return a - b
  elif formula == '*':
    return a * b
  elif formula == '/':
    return a / b
  else:
    print('Just Leave!')
    return 'Closing program...'

print('Choose a number')
a = float(input())
print('Choose a second number')
b = float(input())
print('Do you want to * / - or + ?')
formula = input()
answer = calculate(a, b, formula)
print(answer)

Python Calculator

from whiteCalculator import Calculator
c = Calculator()
print(c.run("1+8(5^2)"))
# Output: 201
print(c.run("9Ans"))
# Output: 1809

Source: github.com

Python calculator

print("Enter Your Choice 1(Add)/2(Sub)/3(Divide)/4(Multiply)")
num = int(input())
if num == 1:
    print("Enter Number 1 : ")
    add1  = int(input())
    print("Enter Number 2 : ")
    add2 = int(input())
    sum = add1 + add2
    print("The Sum Is ", sum)
elif num == 2:
    print("Enter Number 1 : ")
    sub1  = int(input())
    print("Enter Number 2 : ")
    sub2 = int(input())
    difference = sub1 - sub2
    print("The Difference Is ", difference)
elif num == 3:
    print("Enter Number 1 : ")
    div1  = float(input())
    print("Enter Number 2 : ")
    div2 = float(input())
    division = div1 / div2
    print("The Division Is ", division)
elif num == 4:
    print("Enter Number 1 : ")
    mul1 = int(input())
    print("Enter Number 2 : ")
    mul2 = int(input())
    multiply = mul1 * mul2
    print("The Difference Is ", multiply)
else:
    print("enter a valid Number")

Python calculator

 
 #Simple faulty calculator

# 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("Add = +")
print("Subtract = -")
print("Multiply = *")
print("Divide = /")

while True:
    # Take input from the user
    choice = input("Enter choice(+ or - or * or /): ")

    # Check if choice is one of the four options
    if choice in ('+', '-', '*', '/'):
        num1 = float(input("Enter first number: "))
        num2 = float(input("Enter second number: "))

        if choice == '+':
            print(num1, "+", num2, "=", add(num1, num2))

        elif choice == '-':
            print(num1, "-", num2, "=", subtract(num1, num2))

        elif choice == '*':
            print(num1, "*", num2, "=", multiply(num1, num2))

        elif choice == '/':
            print(num1, "/", num2, "=", divide(num1, num2))
        break
    else:
        print("Invalid Input")

Python calculator

print("Choose operator (+,-,*,/):")
mode = input()
print("Choose first int:")
x = int(input())
print("Choose second int:")
y = int(input())

print("Your result:")
if mode == "+":
    print(x+y)
elif mode == "-":
    print(x-y)
elif mode == "*":
    print(x*y)
elif mode == "/":
    print(x/y)

Python calculator

print('Calculator')
input_1 = input('First Number? ')
input_2 = input('Second Number? ')

try:
    print(f'{input_1} + {input_2} is {float(input_1) + float(input_2)}')
    print(f'{input_1} - {input_2} is {float(input_1) - float(input_2)}') 
    print(f'{input_1} X {input_2} is {float(input_1) * float(input_2)}')
    print(f'{input_1} / {input_2} is {float(input_1) // float(input_2)}')
except Exception as e:
    print(f'ERROR: {e}')

-1

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