└── calculator.py


/calculator.py:
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 1 | from tkinter import *
 2 | from tkinter import font
 3 | 
 4 | base = Tk()
 5 | base.title("Calculator")
 6 | base.geometry('392x500+30+40')
 7 | base.resizable(0,0)
 8 | base.configure(background='white')
 9 | 
10 | #Display label
11 | label = Label(base,height=7, width=41,anchor= 'se')
12 | label.place(x=30,y=30)
13 | company_label =Label(base,text='Masio', bd=5, relief='groove', height=3, width=19,  bg='white',fg='red')
14 | company_label.place(x=30,y=172)
15 | 
16 | #glabal variable
17 | num =''
18 | 
19 | # Functions
20 | def display(number):
21 | 
22 |     global num
23 |     num = num+str(number)
24 |     label['text'] = num
25 | 
26 | 
27 | def equals():
28 |         try:
29 |             global num
30 |             result= eval(num)
31 |             label['text'] = result
32 |         except:
33 |             label['text'] = 'Error'
34 | def clear():
35 |     global num
36 |     num = ''
37 |     label['text']=num
38 | def backspace():
39 |     global num
40 |     num = num[:-1]
41 |     label['text']=num
42 | 
43 | #adding buttons
44 | 
45 | times15 = font.Font(family='times', size=15, weight='bold')
46 | btn1= Button(text=1, bd=1, height=2, width=5, font=times15,bg='#A9A9A9',command=lambda: display(1))
47 | btn2 = Button(text=2, bd=1, height=2, width=5,font=times15,bg='#A9A9A9',command=lambda: display(2))
48 | btn3 = Button(text=3, bd=1, height=2, width=5,font=times15,bg='#A9A9A9',command=lambda: display(3))
49 | btn4= Button(text=4, bd=1, height=2, width=5, font=times15,bg='#A9A9A9',command=lambda: display(4))
50 | btn5 = Button(text=5, bd=1, height=2, width=5,font=times15,bg='#A9A9A9',command=lambda: display(5))
51 | btn6 = Button(text=6, bd=1, height=2, width=5,font=times15,bg='#A9A9A9',command=lambda: display(6))
52 | btn7= Button(text=7, bd=1, height=2, width=5, font=times15,bg='#A9A9A9',command=lambda: display(7))
53 | btn8 = Button(text=8, bd=1, height=2, width=5,font=times15, bg='#A9A9A9',command=lambda: display(8))
54 | btn9 = Button(text=9, bd=1, height=2, width=5,font=times15,bg='#A9A9A9',command=lambda: display(9))
55 | btn0= Button(text=0, bd=1, height=2, width=5, font=times15,bg='#A9A9A9',command=lambda: display(0))
56 | btndot = Button(text='.', bd=1, height=2, width=5,font=times15,bg='#A9A9A9',command=lambda: display('.'))
57 | btnequal = Button(text='=', bd=1, height=2, width=5,font=times15, bg='blue', fg='white',command=equals)
58 | btnClear = Button(text='AC', bd=1, height=2, width=5,font=times15,bg='#D3D3D3',command=clear)
59 | 
60 | btnback = Button(text='c', bd=1, height=2, width=5,font=times15,command=backspace)
61 | btndiv = Button(text='/', bd=1, height=2, width=5,font=times15,command=lambda: display('/'))
62 | btnmult = Button(text='x', bd=1, height=2, width=5,font=times15,command=lambda: display('*'))
63 | btnsub = Button(text='-', bd=1, height=2, width=5,font=times15,command=lambda: display('-'))
64 | btnsum = Button(text='+', bd=1, height=2, width=5,font=times15,bg='orange',command=lambda: display('+'))
65 | #button alignment
66 | btn1.place(x=30,y=358)
67 | btn2.place(x=115,y=358)
68 | btn3.place(x=200,y=358)
69 | btn4.place(x=30,y=296)
70 | btn5.place(x=115,y=296)
71 | btn6.place(x=200,y=296)
72 | btn7.place(x=30,y=234)
73 | btn8.place(x=115,y=234)
74 | btn9.place(x=200,y=234)
75 | btn0.place(x=30,y=420)
76 | btndot.place(x=115,y=420)
77 | btnequal.place(x=200,y=420)
78 | btnClear.place(x=200,y=172)
79 | btnback.place(x=285,y=172)
80 | btndiv.place(x=285,y=358)
81 | btnmult.place(x=285,y=296)
82 | btnsub.place(x=285,y=234)
83 | btnsum.place(x=285,y=420)
84 | 
85 | base.mainloop()
86 | 


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