python/3D calculator.py at main · regression1607/python · GitHub

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import sys
from tkinter import *


def btnClick(numbers):
    global operator
    operator = operator+ str(numbers)
    text_input.set(operator)


def btnClearDisplay():
    global operator
    operator=""
    text_input.set("")


def btnequalsto():
    global operator
    sumup = str(eval(operator))
    text_input.set(sumup)
    operator = ""


cal = Tk()
cal.title("CALCULATOR")
operator=""
text_input=StringVar()

txtdisplay= Entry(cal , font=('arial', 20, 'bold'),textvariable=text_input, bd=40, insertwidth=5, bg='powder blue', justify='right').grid(columnspan=4)


btn7=Button(cal , padx=16,pady=9,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(7),text='7').grid(row=1,column=0)


btn8=Button(cal , padx=16,pady=9 ,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(8),text='8').grid(row=1,column=1)


btn9=Button(cal , padx=16,pady=9 ,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(9),text='9').grid(row=1,column=2)


divide=Button(cal , padx=19 ,pady=9,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick("/"),text='/').grid(row=1,column=3)


#=====================================================================================================

btn4=Button(cal , padx=16,pady=9 ,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(4),text='4').grid(row=2,column=0)


btn5=Button(cal , padx=16 ,pady=9,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(5),text='5').grid(row=2,column=1)


btn6=Button(cal , padx=16 ,pady=9,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(6),text='6').grid(row=2,column=2)


multiply=Button(cal , padx=19,pady=9,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick("*"),text='*').grid(row=2,column=3)


#=====================================================================================================


btn1=Button(cal , padx=16,pady=9 ,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(1),text='1').grid(row=3,column=0)


btn2=Button(cal , padx=16 ,pady=9,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(2),text='2').grid(row=3,column=1)


btn3=Button(cal , padx=16 ,pady=9,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(3),text='3').grid(row=3,column=2)


sub=Button(cal , padx=19 ,pady=9,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick("-"),text='-').grid(row=3,column=3)


#=====================================================================================================


btn0=Button(cal , padx=16,pady=9 ,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick(0),text='0').grid(row=4,column=0)


clear=Button(cal , padx=16,pady=9 ,bd=8, fg="black",font=('arial',20,'bold'),text='C',command=btnClearDisplay).grid(row=4,column=1)


eqaul=Button(cal , padx=16,pady=9 ,bd=8, fg="black",font=('arial',20,'bold'),command=btnequalsto,text='=').grid(row=4,column=2)


add=Button(cal , padx=16 ,pady=9,bd=8, fg="black",font=('arial',20,'bold'),command=lambda:btnClick("+"),text='+').grid(row=4,column=3)


#=====================================================================================================


cal.mainloop()