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# 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")
while True:
# take input from the user
choice = input("Enter choice(1/2/3/4): ")
# check if choice is one of the four options
if choice in ('1', '2', '3', '4'):
try:
num1 = float(input("Enter first number: "))
num2 = float(input("Enter second number: "))
except ValueError:
print("Invalid input. Please enter a number.")
continue
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))
# check if user wants another calculation
# break the while loop if answer is no
next_calculation = input("Let's do next calculation? (yes/no): ")
if next_calculation == "no":
break
else:
print("Invalid Input")
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# This is the simplest one of all the python calculators.
num23 = input("Enter a number: ")
num24 = input("Enter another number: ")
op = input("Select an operator from the following: Add, Multiply, Divide, Minus: ")
# I don't know why I chose num23 and 24
def multiply(num1, num2):
print(int(num1) * int(num2))
def add(num1, num2):
print(int(num1) + int(num2))
def divide(num1, num2):
print(int(num1) / int(num2))
def minus(num1, num2):
print(int(num1) - int(num2))
if op == 'Multiply':
multiply(num23, num24)
elif op == 'Add':
add(num23, num24)
elif op == 'Divide':
divide(num23, num24)
elif op == 'Minus':
minus(num23, num24)
else:
print("Invalid entry!")
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option = int(input("Enter Your Choice 1(Add)/2(Sub)/3(Divide)/4(Multiply): "))
# Check if the option is a valid operation
if option > 4:
print("enter a valid Number")
exit()
# Get the 2 numbers which will be calculating on
num1 = int(input("Enter Number 1: "))
num2 = int(input("Enter Number 2: "))
if option == 1:
print("The Sum Is ", num1 + num2)
elif option == 2:
print("The Difference Is ", num1 - num2)
elif option == 3:
print("The Division Is ", num1 / num2)
elif option == 4:
print("The Product Is ", num1 * num2)
elif option == 5:
print("The Power Is ", num1 ** num2)
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# Python GUI Calculator
#Credit : Subhash Bhandari
from tkinter import *
root = Tk()
root.title("Calculator")
root.iconbitmap('images/calculator.ico')
def clicked(num):
current = e.get()
e.delete(0,END)
e.insert(0,current + str(num))
def addition():
first_num = e.get()
global f_num
global math
math = "addition"
f_num = int(first_num)
e.delete(0,END)
def substraction():
first_num = e.get()
global f_num
global math
math = "substraction"
f_num = int(first_num)
e.delete(0,END)
try:
def multiplication():
first_num = e.get()
global f_num
global math
math = "multiplication"
f_num = int(first_num)
e.delete(0,END)
except ValueError:
e.insert(root,text="Error!")
def division():
first_num = e.get()
global f_num
global math
math = "division"
f_num = int(first_num)
e.delete(0,END)
def clear():
e.delete(0,END)
def equals():
second_num = e.get()
e.delete(0,END)
if math == "addition":
e.insert(0,f_num + int(second_num))
elif math == "substraction":
e.insert(0,f_num - int(second_num))
elif math == "division":
e.insert(0,f_num / int(second_num))
elif math == "multiplication":
e.insert(0,f_num * int(second_num))
e = Entry(root,width=50,borderwidth = 4,fg="white",bg="purple")
e.grid(row=0,columnspan = 5,pady=5)
x = 30
y = 30
one = Button(root, text="1",padx=x,pady=y,bg="brown",fg="white",command=lambda: clicked(1))
two = Button(root, text="2",padx=x,pady=y,bg="brown",fg="white",command=lambda:clicked(2))
three = Button(root, text="3",padx=x,pady=y,bg="brown",fg="white",command=lambda:clicked(3))
four = Button(root, text="4",padx=x,pady=y,bg="brown",fg="white",command=lambda:clicked(4))
five = Button(root, text="5",padx=x,pady=y,bg="brown",fg="white",command=lambda:clicked(5))
six = Button(root, text="6",padx=x,pady=y,bg="brown",fg="white",command=lambda:clicked(6))
seven = Button(root, text="7",padx=x,pady=y,bg="brown",fg="white",command=lambda:clicked(7))
eight = Button(root, text="8",padx=x,pady=y,bg="brown",fg="white",command=lambda:clicked(8))
nine = Button(root, text="9",padx=x,pady=y,bg="brown",fg="white",command=lambda:clicked(9))
zero = Button(root, text="0",padx=x,pady=y,bg="brown",fg="white",command=lambda:clicked(0))
add = Button(root, text="+",padx=x,pady=y,bg="orange",fg="white",command=addition)
substract = Button(root, text="-",padx=x,pady=y,bg="orange",fg="white",command=substraction)
divide = Button(root, text="/",padx=x,pady=y,bg="orange",fg="white",command=division)
multiply = Button(root, text="*",padx=x,pady=y,bg="orange",fg="white",command=multiplication)
equal = Button(root, text="=",padx=x,pady=y,bg="blue",fg="white",command=equals)
clear = Button(root,text="C",padx=x , pady=y,bg="red",fg="white",command = clear)
#placing buttons
one.grid(row=3,column=0)
two.grid(row=3,column=1)
three.grid(row=3,column=2)
four.grid(row=2,column=0)
five.grid(row=2,column=1)
six.grid(row=2,column=2)
seven.grid(row=1,column=0)
eight.grid(row=1,column=1)
nine.grid(row=1,column=2)
zero.grid(row=4,column=0)
add.grid(row=4,column=1)
substract.grid(row=4,column=2)
divide.grid(row=2,column=4)
multiply.grid(row=3,column=4)
equal.grid(row=4,column=4)
clear.grid(row=1,column=4)
root.mainloop()
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# Program make a simple 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
# This function exponents two numbers
def exponentiation(x, y):
return x ** y
# This function finds the floor division two numbers
def root(x, y):
return x // y
print("Select operation.")
print("1.Add")
print("2.Subtract")
print("3.Multiply")
print("4.Divide")
print("5.Exponential")
print("6.Floor Division")
while True:
# take input from the user
choice = input("Enter choice(1/2/3/4/5/6): ")
# check if choice is one of the four options
if choice in ('1', '2', '3', '4', '5', '6'):
num1 = float(input("Enter first number: "))
num2 = float(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))
elif choice == '5':
print(num1, "**", num2, "=", exponentiation(num1, num2))
elif choice == '6':
print(num1, "//", num2, "=", root(num1, num2))
# check if user wants another calculation
# break the while loop if answer is no
next_calculation = input("Let's do next calculation? (yes/no): ")
if next_calculation != "yes":
break
else:
print("Invalid Input")
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num1 = input("Enter a Number : ")
num2 = input("Enter a Number : ")
result = (num1 * num2)
print(result)
# And then print out the result
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while True:
print("1 Adition")
print("2 Subtraction")
print("3 multiplication")
print("4 Division")
choice = input("Enter your choice : ")
num1 = float(input("Enter number 1 : "))
num2 = float(input("Enter number 2 : "))
if choice == "1":
print(num1, "+", num2, "=", (num1+num2))
elif choice == "2":
print(num1, "-", num2, "=", (num1-num2))
if choice == "3":
print(num1, "*", num2, "=", (num1*num2))
elif choice == "4":
if num2 == 0.0:
("print"eror 303")
else:
print(num1, "/", num2, "=", (num1/num2))
else:
print("invalic choice")
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from whiteCalculator import Calculator
c = Calculator()
print(c.run("1+8(5^2)"))
# Output: 201
print(c.run("9Ans"))
# Output: 1809
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num_one = int(input("Enter 1st number: "))
op = input("Enter operator: ")
num_two = int(input("Enter 2nd number: "))
if op == "+":
print(num_one + num_two)
elif op == "-":
print(num_one - num_two)
elif op == "*" or op == "x":
print(num_one * num_two)
elif op == "/":
print(num_one / num_two)