Simple Calculator by R4R Team

program-

from tkinter import *

win=Tk()
win.title("Calculator")
win.geometry('400x400')

win.config(bg='white', highlightbackground="black", highlightcolor="black", highlightthickness=2)
t=Text(win,height=7,width=45)
t.place(x=10,y=10)
t.config(bg='gray99',highlightbackground="black", highlightcolor="black", highlightthickness=2)

b1=Button(win,text="1",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b1.place(x=10,y=150)
b2=Button(win,text="2",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b2.place(x=90,y=150)
b3=Button(win,text="3",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b3.place(x=170,y=150)

b4=Button(win,text="4",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b4.place(x=10,y=210)
b5=Button(win,text="5",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b5.place(x=90,y=210)
b6=Button(win,text="6",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b6.place(x=170,y=210)

b7=Button(win,text="7",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b7.place(x=10,y=270)
b8=Button(win,text="8",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b8.place(x=90,y=270)
b9=Button(win,text="9",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b9.place(x=170,y=270)

bpoint=Button(win,text=".",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
bpoint.place(x=10,y=330)
b0=Button(win,text="0",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
b0.place(x=90,y=330)
find=Button(win,text="=",bg='gray60',fg='white',bd=3,height=2,width=8,font=('arial',10,'bold'))
find.place(x=170,y=330)

delete=Button(win,text="Del",bg='white',fg='black',bd=3,height=1,width=7,font=('arial',15,'bold'))
delete.place(x=270,y=140)
plus=Button(win,text="+",bg='white',fg='black',bd=3,height=1,width=7,font=('arial',15,'bold'))
plus.place(x=270,y=190)
subtract=Button(win,text="-",bg='white',fg='black',bd=3,height=1,width=7,font=('arial',15,'bold'))
subtract.place(x=270,y=240)
multi=Button(win,text="*",bg='white',fg='black',bd=3,height=1,width=7,font=('arial',15,'bold'))
multi.place(x=270,y=290)
divide=Button(win,text="/",bg='white',fg='black',bd=3,height=1,width=7,font=('arial',15,'bold'))
divide.place(x=270,y=340)
win.mainloop()