GUI CALCULATOR USING PYTHON

Python with Shubham

GUI CALCULATOR USING PYTHON


 Source Code:-

 
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# GUI Calculator using Python Programming Language
 
from tkinter import *
 
root = Tk()
# Download icons in '.ico' format from https://iconarchive.com/"
root.iconbitmap("D:/PYTHON MODULES/TKINTER/TKINTER PROJECTS/ICONs/Calculator.ico")
root.title("PYTHON GUI CALCULATOR")
root.geometry("340x378")
root.resizable(0, 0)
 
F = Frame(root, bg="navy", bd=10, width=350, height=400)
F.pack()
 
# create a function to get the entry by pressing number
def press(text):
    num = txt.get()
    if num == "Error":
        txt.set("Error")
    else:
        txt.set(num + text)
 
# clear all Entry
def reset():
    txt.set("")
 
# cancel a Entry
def cancel():
    txt.set(txt.get()[:-1])
 
# calculate the expressions
def cal():
    try:
        txt.set(eval(txt.get()))
    except:
        txt.set("Error")
 
 
# create a Entry to display the inputs
txt = StringVar()
Entry(F, textvariable=txt, font=("None 20 bold"), state="readonly",
      borderwidth=2).grid(columnspan=5, pady=10, ipadx=3, ipady=8)
 
Button(F, text="C", command=reset, font=("None 20 bold"), width=4,
       bg="yellow", activebackground="lightblue").grid(row=1, column=0)
Button(F, text="(", command=lambda: press("("), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=1, column=1)
Button(F, text=")", command=lambda: press(")"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=1, column=2)
Button(F, text="CE", command=cancel, font=("None 20 bold"), width=4,
       bg="yellow", activebackground="lightblue").grid(row=1, column=3)
 
Button(F, text="7", command=lambda: press("7"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=2, column=0)
Button(F, text="8", command=lambda: press("8"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=2, column=1)
Button(F, text="9", command=lambda: press("9"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=2, column=2)
Button(F, text="/", command=lambda: press("/"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="steelblue1").grid(row=2, column=3)
 
Button(F, text="4", command=lambda: press("4"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=3, column=0)
Button(F, text="5", command=lambda: press("5"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=3, column=1)
Button(F, text="6", command=lambda: press("6"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=3, column=2)
Button(F, text="x", command=lambda: press("*"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="steelblue1").grid(row=3, column=3)
 
Button(F, text="1", command=lambda: press("1"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=4, column=0)
Button(F, text="2", command=lambda: press("2"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=4, column=1)
Button(F, text="3", command=lambda: press("3"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=4, column=2)
Button(F, text="-", command=lambda: press("-"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="steelblue1").grid(row=4, column=3)
 
Button(F, text=".", command=lambda: press("."), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=5, column=0)
Button(F, text="0", command=lambda: press("0"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=5, column=1)
Button(F, text="=", command=cal, font=("None 20 bold"), width=4,
       bg="yellow", activebackground="salmon2").grid(row=5, column=2)
Button(F, text="+", command=lambda: press("+"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="steelblue1").grid(row=5, column=3)
 
root.mainloop()
 
# Follow @python_with_shubham
 
 
# GUI Calculator using Python Programming Language

from tkinter import *

root = Tk()
# Download icons in '.ico' format from https://iconarchive.com/"
root.iconbitmap("D:/PYTHON MODULES/TKINTER/TKINTER PROJECTS/ICONs/Calculator.ico")
root.title("PYTHON GUI CALCULATOR")
root.geometry("340x378")
root.resizable(0, 0)

F = Frame(root, bg="navy", bd=10, width=350, height=400)
F.pack()

# create a function to get the entry by pressing number
def press(text):
    num = txt.get()
    if num == "Error":
        txt.set("Error")
    else:
        txt.set(num + text)

# clear all Entry
def reset():
    txt.set("")

# cancel a Entry
def cancel():
    txt.set(txt.get()[:-1])

# calculate the expressions
def cal():
    try:
        txt.set(eval(txt.get()))
    except:
        txt.set("Error")


# create a Entry to display the inputs
txt = StringVar()
Entry(F, textvariable=txt, font=("None 20 bold"), state="readonly",
      borderwidth=2).grid(columnspan=5, pady=10, ipadx=3, ipady=8)

Button(F, text="C", command=reset, font=("None 20 bold"), width=4,
       bg="yellow", activebackground="lightblue").grid(row=1, column=0)
Button(F, text="(", command=lambda: press("("), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=1, column=1)
Button(F, text=")", command=lambda: press(")"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=1, column=2)
Button(F, text="CE", command=cancel, font=("None 20 bold"), width=4,
       bg="yellow", activebackground="lightblue").grid(row=1, column=3)

Button(F, text="7", command=lambda: press("7"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=2, column=0)
Button(F, text="8", command=lambda: press("8"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=2, column=1)
Button(F, text="9", command=lambda: press("9"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=2, column=2)
Button(F, text="/", command=lambda: press("/"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="steelblue1").grid(row=2, column=3)

Button(F, text="4", command=lambda: press("4"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=3, column=0)
Button(F, text="5", command=lambda: press("5"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=3, column=1)
Button(F, text="6", command=lambda: press("6"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=3, column=2)
Button(F, text="x", command=lambda: press("*"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="steelblue1").grid(row=3, column=3)

Button(F, text="1", command=lambda: press("1"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=4, column=0)
Button(F, text="2", command=lambda: press("2"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=4, column=1)
Button(F, text="3", command=lambda: press("3"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=4, column=2)
Button(F, text="-", command=lambda: press("-"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="steelblue1").grid(row=4, column=3)

Button(F, text=".", command=lambda: press("."), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=5, column=0)
Button(F, text="0", command=lambda: press("0"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="lightblue").grid(row=5, column=1)
Button(F, text="=", command=cal, font=("None 20 bold"), width=4,
       bg="yellow", activebackground="salmon2").grid(row=5, column=2)
Button(F, text="+", command=lambda: press("+"), font=("None 20 bold"),
       width=4, bg="yellow", activebackground="steelblue1").grid(row=5, column=3)

root.mainloop()

# Follow @python_with_shubham

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OUTPUT:- 



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