MAKING CALCULATOR USING PYTHON PROGRAMMING

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                        CREATE CALCULATOR USING PYTHON PROGRAMME(USING TKINKTER)                               




                                                                                       BY:-DIPURANJAN SETHY


                                                            PROGRAM(INPUT)



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 = float(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,

)

Sbtn0.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()

                                            OUTPUT

CONTACT ME FOR ANY QUARY:-dipuranjansethy143@gmail.com




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