└── calculator.py


/calculator.py:
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 1 | from tkinter import Tk, Entry, Button, StringVar
 2 | 
 3 | class Calculator:
 4 |     def__init__(self,master):
 5 |     master.title("Calculator")  
 6 |     master.geometry('357x420+0+0')
 7 |     master.config(bg='gray')
 8 |     master.resizable(False,False)
 9 | 
10 | 
11 |     self.equation=StringVar()
12 |     self.entry_value=''
13 |     Entry(width=17, bg='#fff', font=('Arial Bold', 28), textvariable=self.equation).place(x=0, y=0)
14 | 
15 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
16 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
17 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
18 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
19 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
20 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
21 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
22 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
23 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
24 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
25 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
26 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
27 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
28 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
29 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
30 | Button(width=11, height=4, text='', relief='flat', bg='#fff', command=lambda:self.show('')).place(x= , y= )
31 | 
32 |     def show(self, value):
33 |         self.entry_value+=str(value)
34 |         self.equation.set(self.entry_value)
35 | 
36 |         def clear(self):
37 |             self.entry_value=''
38 |             self.equation.set(self.entry_value)
39 | 
40 | 
41 |             def solve(self):
42 |                 result=eval(self.entry-value)
43 |                 self.equation.set(result)
44 | 
45 |     root=Tk()
46 |     calculator=Calculator(root)
47 |     root.mainloop()


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