Yash's ETU GUI Calculator

Hello Friends,

Today I am going to give you the source code of my calculator that has GUI. The Name Of This calculator is ETU GUI Calculator.  

SOURCE CODE

import tkinter from tkinter import * from tkinter import messagebox # setting up the tkinter window root = tkinter.Tk() root.geometry("250x400+300+300") root.resizable(0,0) root.title("Calculator") val = "" A = 0 operator = "" # function for numerical button clicked def btn_1_isclicked(): global val val = val + "1" data.set(val) def btn_2_isclicked(): global val val = val + "2" data.set(val) def btn_3_isclicked(): global val val = val + "3" data.set(val) def btn_4_isclicked(): global val val = val + "4" data.set(val) def btn_5_isclicked(): global val val = val + "5" data.set(val) def btn_6_isclicked(): global val val = val + "6" data.set(val) def btn_7_isclicked(): global val val = val + "7" data.set(val) def btn_8_isclicked(): global val val = val + "8" data.set(val) def btn_9_isclicked(): global val val = val + "9" data.set(val) def btn_0_isclicked(): global val val = val + "0" data.set(val) # functions for the operator button click def btn_plus_clicked(): global A global operator,val A = int(val) operator = "+" val = val + "+" data.set(val) def btn_minus_clicked(): global A global operator,val A = int(val) operator = "-" val = val + "-" data.set(val) def btn_mult_clicked(): global A global operator,val A = int(val) operator = "*" val = val + "*" data.set(val) def btn_div_clicked(): global A global operator,val A = int(val) operator = "/" val = val + "/" data.set(val) def btn_c_pressed(): global A,operator,val val = "" A = 0 operator = "" data.set(val) # function to find the result def result(): global A,operator,val val2 = val if operator == "+": x = int((val2.split("+")[1])) C = A + x val = str(C) data.set(val) if operator == "-": x = int((val2.split("-")[1])) C = A - x val = str(C) data.set(val) if operator == "*": x = int((val2.split("*")[1])) C = A * x val = str(C) data.set(val) if operator == "/": x = int((val2.split("/")[1])) if x == 0: messagebox.showerror("Error", "Division By 0 Not Supported") A = "" val = "" data.set(val) else: C = int(A / x) data.set(C) # the label that shows the result data = StringVar() lbl = Label( root, text = "Label", anchor = SE, font = ("Verdana", 20), textvariable = data, background = "#ffffff", fg = "#000000", ) lbl.pack(expand = True, fill = "both") # the frames section btnrow1 = Frame(root) btnrow1.pack(expand = True, fill = "both") btnrow2 = Frame(root) btnrow2.pack(expand = True, fill = "both") btnrow3 = Frame(root) btnrow3.pack(expand = True, fill = "both") btnrow4 = Frame(root) btnrow4.pack(expand = True, fill = "both") # The buttons section btn1 = Button( btnrow1, text = "1", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_1_isclicked, ) btn1.pack(side = LEFT, expand = True, fill = "both",) btn2 = Button( btnrow1, text = "2", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_2_isclicked, ) btn2.pack(side = LEFT, expand = True, fill = "both",) btn3 = Button( btnrow1, text = "3", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_3_isclicked, ) btn3.pack(side = LEFT, expand = True, fill = "both",) btnplus = Button( btnrow1, text = "+", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_plus_clicked, ) btnplus.pack(side = LEFT, expand = True, fill = "both",) # buttons for frame 2 btn4 = Button( btnrow2, text = "4", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_4_isclicked, ) btn4.pack(side = LEFT, expand = True, fill = "both",) btn5 = Button( btnrow2, text = "5", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_5_isclicked, ) btn5.pack(side = LEFT, expand = True, fill = "both",) btn6 = Button( btnrow2, text = "6", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_6_isclicked, ) btn6.pack(side = LEFT, expand = True, fill = "both",) btnminus = Button( btnrow2, text = "-", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_minus_clicked, ) btnminus.pack(side = LEFT, expand = True, fill = "both",) # button for frame 3 btn7 = Button( btnrow3, text = "7", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_7_isclicked, ) btn7.pack(side = LEFT, expand = True, fill = "both",) btn8 = Button( btnrow3, text = "8", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_8_isclicked, ) btn8.pack(side = LEFT, expand = True, fill = "both",) btn9 = Button( btnrow3, text = "9", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_9_isclicked, ) btn9.pack(side = LEFT, expand = True, fill = "both",) btnmult = Button( btnrow3, text = "*", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_mult_clicked, ) btnmult.pack(side = LEFT, expand = True, fill = "both",) # button for frame4 btnc = Button( btnrow4, text = "C", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_c_pressed, ) btnc.pack(side = LEFT, expand = True, fill = "both",) btn0 = Button( btnrow4, text = "0", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_0_isclicked, ) btn0.pack(side = LEFT, expand = True, fill = "both",) btnequal = Button( btnrow4, text = "=", font = ("Verdana", 22), relief = GROOVE, border = 0, command = result, ) btnequal.pack(side = LEFT, expand = True, fill = "both",) btndiv = Button( btnrow4, text = "/", font = ("Verdana", 22), relief = GROOVE, border = 0, command = btn_div_clicked, ) btndiv.pack(side = LEFT, expand = True, fill = "both",) root.mainloop()