Simple-Calculator-Using-Python-Gui-Tkinter/edit at master · anmolbhalla/Simple-Calculator-Using-Python-Gui-Tkinter · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
from tkinter import *
import tkinter.messagebox
import math
class calc:
	def solve(self):
		self.aa=self.e.get()
		try:
			val=eval(self.aa)
			self.e.delete(0, END)
			self.e.insert(0, val)
		except SyntaxError or NameError:
			tkinter.messagebox.showerror('Result', 'Error')
	def clearelement(self):
		self.text=self.e.get()[:-1]
		self.e.delete(0,END)
		self.e.insert(0,self.text)

	def clearfield(self):
		self.e.delete(0,END)
	def action(self,argi):
		self.e.insert(END,argi)
	def value(self):
		aa=self.e.get()
		print(aa)
	def squareroot(self):
		self.solve()
		try:
			self.sol=eval(self.aa)
		except SyntaxError or NameError:
			tkinter.messagebox.showerror('Result','Error')
		else:
			self.sq=math.sqrt(self.sol)
			self.e.delete(0,END)
			self.e.insert(0,self.sq)
	def square(self):
		self.solve()
		try:
			self.b=eval(self.aa)
		except SyntaxError or NameError:
			tkinter.messagebox.showerror('Result','Error')
		else:
			self.root=math.pow(self.b,2)
			self.e.delete(0,END)
			self.e.insert(0,self.root)
	def __init__(self, master):
		self.e = Entry(master)
		self.e.grid(row=0, columnspan=20)
		self.e.focus_set()

		bt1=Button(master,text="=",width=12,command=lambda:self.solve()).grid(row=4, column=3,columnspan=4)
		master.bind('<Return>',lambda x :self.solve())
		bt2=Button(master,text='AC',width=3,command=lambda:self.clearfield()).grid(row=1, column=4)
		bt3=Button(master,text='C',width=3,command=lambda:self.clearelement()).grid(row=1, column=5)
		bt4=Button(master,text="+",width=3,command=lambda:self.action('+')).grid(row=4, column=2)
		bt5=Button(master,text="x",width=3,command=lambda:self.action('*')).grid(row=2, column=3)
		bt6=Button(master,text="-",width=3,command=lambda:self.action('-')).grid(row=3, column=3)
		bt7=Button(master,text="÷",width=3,command=lambda:self.action('/')).grid(row=1, column=3)
		bt9=Button(master,text="7",width=3,command=lambda:self.action('7')).grid(row=1, column=0)
		bt10=Button(master,text="8",width=3,command=lambda:self.action('8')).grid(row=1, column=1)
		bt11=Button(master,text="9",width=3,command=lambda:self.action('9')).grid(row=1, column=2)
		bt12=Button(master,text="4",width=3,command=lambda:self.action('4')).grid(row=2, column=0)
		bt13=Button(master,text="5",width=3,command=lambda:self.action('5')).grid(row=2, column=1)
		bt14=Button(master,text="6",width=3,command=lambda:self.action('6')).grid(row=2, column=2)
		bt15=Button(master,text="1",width=3,command=lambda:self.action('1')).grid(row=3, column=0)
		bt16=Button(master,text="2",width=3,command=lambda:self.action('2')).grid(row=3, column=1)
		bt17=Button(master,text="3",width=3,command=lambda:self.action('3')).grid(row=3, column=2)
		bt18=Button(master,text="0",width=3,command=lambda:self.action('0')).grid(row=4, column=0)
		bt19=Button(master,text=".",width=3,command=lambda:self.action('.')).grid(row=4, column=1)
		bt20=Button(master,text="(",width=3,command=lambda:self.action('(')).grid(row=2, column=4)
		bt21=Button(master,text=")",width=3,command=lambda:self.action(')')).grid(row=2, column=5)
		bt22=Button(master,text="√",width=3,command=lambda:self.squareroot()).grid(row=3, column=4)
		bt23=Button(master,text="x²",width=3,command=lambda:self.square()).grid(row=3, column=5)
root=Tk()
obj=calc(root)
root.mainloop()