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tk_calculator_6.py
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tk_calculator_6.py
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from tkinter import *
import math
root = Tk()
root.title("Simple Calculator")
e = Entry(root, width = 40, borderwidth = 5)
e.grid(row = 0, column = 0, columnspan = 4, padx=20, pady = 10)
def button_click(number):
current = e.get()
e.delete(0, END)
e.insert(0, str(current) + str(number))
def button_dot(dot):
current = e.get()
e.delete(0, END)
e.insert(0, str(current) + str(dot))
def button_clear():
e.delete(0, END)
def button_add():
first_number = e.get()
global f_num
global opt
opt = "addition"
f_num = int(first_number)
e.delete(0, END)
def button_mul():
first_number = e.get()
global f_num
global opt
opt = "multiplication"
f_num = int(first_number)
e.delete(0, END)
def button_div():
first_number = e.get()
global f_num
global opt
opt = "division"
f_num = int(first_number)
e.delete(0, END)
def button_sub():
first_number = e.get()
global f_num
global opt
opt = "substraction"
f_num = int(first_number)
e.delete(0, END)
def button_sqrt():
first_number = e.get()
global f_num
global opt
opt = "squareroot"
f_num = int(first_number)
e.delete(0, END)
def button_modulo():
first_number = e.get()
global f_num
global opt
opt = "modulo"
f_num = int(first_number)
e.delete(0, END)
def button_sqr():
first_number = e.get()
global f_num
global opt
opt = "square"
f_num = int(first_number)
e.delete(0, END)
def button_frac():
first_number = e.get()
global f_num
global opt
opt = "fraction"
f_num = int(first_number)
e.delete(0, END)
def button_equal():
second_number = e.get()
e.delete(0, END)
if opt == 'addition':
e.insert(0, f_num + int(second_number))
elif opt == 'multiplication':
e.insert(0, f_num * int(second_number))
elif opt == 'division':
e.insert(0, f_num / int(second_number))
elif opt == 'substraction':
e.insert(0, f_num - int(second_number))
elif opt == 'squareroot':
e.insert(0, math.sqrt(f_num))
elif opt == 'modulo':
e.insert(0, f_num % int(second_number))
elif opt == 'square':
e.insert(0, f_num * f_num)
elif opt == 'fraction':
e.insert(0, 1/f_num)
# def sign(str):
# e.insert(0, '-')
# e.delete(0, EN D)
# Define the button
button_1 = Button(root, text = "1", padx = 30, pady = 10, command = lambda: button_click(1))
button_2 = Button(root, text = "2", padx = 30, pady = 10, command = lambda: button_click(2))
button_3 = Button(root, text = "3", padx = 30, pady = 10, command = lambda: button_click(3))
button_4 = Button(root, text = "4", padx = 30, pady = 10, command = lambda: button_click(4))
button_5 = Button(root, text = "5", padx = 30, pady = 10, command = lambda: button_click(5))
button_6 = Button(root, text = "6", padx = 30, pady = 10, command = lambda: button_click(6))
button_7 = Button(root, text = "7", padx = 30, pady = 10, command = lambda: button_click(7))
button_8 = Button(root, text = "8", padx = 30, pady = 10, command = lambda: button_click(8))
button_9 = Button(root, text = "9", padx = 30, pady = 10, command = lambda: button_click(9))
button_0 = Button(root, text = "0", padx = 30, pady = 10, command = lambda: button_click(0))
button_sign = Button(root, text = "±", padx = 29, pady = 10, command = lambda: sign("-"))
button_dot = Button(root, text = ".", padx = 31, pady = 10, command = lambda: button_click("."))
button_mul = Button(root, text = "*", padx = 30, pady = 10, command = button_mul)
button_minus = Button(root, text = "-", padx = 30, pady = 10, command = button_sub)
button_div = Button(root, text = "/", padx = 30, pady = 10, command = button_div)
button_c = Button(root, text = "Clear", padx = 20, pady = 10, command = lambda: button_clear())
button_ce = Button(root, text = "CE", padx = 27, pady = 10, command = lambda: button_click())
button_back = Button(root, text = "⌫", padx = 27, pady = 10, command = lambda: button_click())
button_add = Button(root, text = "+", padx = 28, pady = 10, command = button_add)
button_equal = Button(root, text = "=", padx = 28, pady = 10, command = button_equal)
button_sqr = Button(root, text = "x²", padx = 30, pady = 10, command = button_sqr)
button_modulo = Button(root, text = "%", padx = 30, pady = 10, command = button_modulo)
button_sqrt = Button(root, text = "√", padx = 30, pady = 10, command = button_sqrt)
button_frac = Button(root, text = "1/x", padx = 24, pady = 10, command = button_frac)
# Putting the button on the screen
button_modulo.grid(row = 1, column = 0)
button_sqrt.grid(row = 1, column = 1)
button_sqr.grid(row = 1, column = 2)
button_frac.grid(row = 1, column = 3)
button_ce.grid(row =2, column = 0)
button_c.grid(row = 2, column = 1)
button_back.grid(row = 2, column = 2)
button_div.grid(row = 2, column = 3)
button_7.grid(row = 3, column = 0)
button_8.grid(row = 3, column = 1)
button_9.grid(row = 3, column = 2)
button_mul.grid(row = 3, column = 3)
button_4.grid(row = 4, column = 0)
button_5.grid(row = 4, column = 1)
button_6.grid(row = 4, column = 2)
button_minus.grid(row = 4, column = 3)
button_1.grid(row = 5, column = 0)
button_2.grid(row = 5, column = 1)
button_3.grid(row = 5, column = 2)
button_add.grid(row = 5, column = 3)
button_sign.grid(row = 6, column = 0)
button_0.grid(row = 6, column = 1)
button_dot.grid(row = 6, column = 2)
button_equal.grid(row = 6, column = 3)
root.mainloop()