Python Project #1 - Calculator

Calculator

Source Code:

from tkinter import *

Calc = Tk()

Calc.title('Calculator')

f = ('arial', 20, 'bold')

txt = StringVar()

op = ''

def btnClick(num):

    global op

    op = op + str(num)

    txt.set(op)

def btnClear():

    global op

    op = ''

    txt.set('')

def btnEquals():

    global op

    rst = str(eval(op))

    txt.set(rst)

    op = ''

    

txtDisplay = Entry(Calc, font=f, textvar=txt, bd=30, insertwidth=4, bg='powder blue', justify='right').grid(columnspan = 4)

btn7 = Button(Calc, padx=16, bd=8, fg='black', font=f, text='7', bg='powder blue', command=lambda:btnClick(7)).grid(row = 1, column = 0)

btn8 = Button(Calc, padx=16, bd=8, fg='black', font=f, text='8', bg='powder blue', command=lambda:btnClick(8)).grid(row = 1, column = 1)

btn9 = Button(Calc, padx=16, bd=8, fg='black', font=f, text='9', bg='powder blue', command=lambda:btnClick(9)).grid(row = 1, column = 2)

btnAdd = Button(Calc, padx=16, bd=8, fg='black', font=f, text='+', bg='powder blue', command=lambda:btnClick('+')).grid(row = 1, column = 3)

btn4 = Button(Calc, padx=16, bd=8, fg='black', font=f, text='4', bg='powder blue', command=lambda:btnClick(4)).grid(row = 2, column = 0)

btn5 = Button(Calc, padx=16, bd=8, fg='black', font=f, text='5', bg='powder blue', command=lambda:btnClick(5)).grid(row = 2, column = 1)

btn6 = Button(Calc, padx=16, bd=8, fg='black', font=f, text='6', bg='powder blue', command=lambda:btnClick(6)).grid(row = 2, column = 2)

btnSub = Button(Calc, padx=16, bd=8, fg='black', font=f, text='-', bg='powder blue', command=lambda:btnClick('-')).grid(row = 2, column = 3)

btn1 = Button(Calc, padx=16, bd=8, fg='black', font=f, text='1', bg='powder blue', command=lambda:btnClick(1)).grid(row = 3, column = 0)

btn2 = Button(Calc, padx=16, bd=8, fg='black', font=f, text='2', bg='powder blue', command=lambda:btnClick(2)).grid(row = 3, column = 1)

btn3 = Button(Calc, padx=16, bd=8, fg='black', font=f, text='3', bg='powder blue', command=lambda:btnClick(3)).grid(row = 3, column = 2)

btnMul = Button(Calc, padx=16, bd=8, fg='black', font=f, text='*', bg='powder blue', command=lambda:btnClick('*')).grid(row = 3, column = 3)

btn0 = Button(Calc, padx=16, pady=12, bd=8, fg='black', font=f, text='0', bg='powder blue', command=lambda:btnClick(0)).grid(row = 4, column = 0)

btnClear = Button(Calc, padx=16, pady=12, bd=8, fg='black', font=f, text='C', bg='powder blue', command=btnClear).grid(row = 4, column = 1)

btnEquals = Button(Calc, padx=16, pady=12, bd=8, fg='black', font=f, text='=', bg='powder blue', command=btnEquals).grid(row = 4, column = 2)

btnDiv = Button(Calc, padx=16, pady=12, bd=8, fg='black', font=f, text='/', bg='powder blue', command=lambda:btnClick('/')).grid(row = 4, column = 3)

Calc.mainloop()

Thank You ⭐