11from tkinter import *
22from math import sqrt as sqr
3-
3+ from math import sin
44
55class Application (Frame ):
66 """
@@ -144,6 +144,15 @@ def create_widgets(self):
144144 Creates the widgets to be used in the grid.
145145 :return: None
146146 """
147+ self .sin_bttn = Button (self , text = "sin" , width = 9 , height = 3 , command = lambda : self .add_chr ('sin' ))
148+ self .sin_bttn .grid (row = 1 , column = 6 )
149+
150+ self .tan_bttn = Button (self , text = "tan" , width = 9 , height = 3 , command = lambda : self .add_chr ('tan' ))
151+ self .tan_bttn .grid (row = 2 , column = 6 )
152+
153+ self .cos_bttn = Button (self , text = "cos" , width = 9 , height = 3 , command = lambda : self .add_chr ('cos' ))
154+ self .cos_bttn .grid (row = 3 , column = 6 )
155+
147156 self .eq_bttn = Button (self , text = "=" , width = 20 , height = 3 , bg = "Orange" , command = lambda : self .calculate ())
148157 self .eq_bttn .grid (row = 4 , column = 4 , columnspan = 2 )
149158
@@ -168,7 +177,7 @@ def create_widgets(self):
168177 self .mod_bttn = Button (self , text = "%" , width = 9 , height = 3 ,bg = 'LightBlue' , fg = 'red' , command = lambda : self .add_chr ('%' ))
169178 self .mod_bttn .grid (row = 4 , column = 2 )
170179
171- self .seven_bttn = Button (self , text = "Bushra " , width = 9 , height = 3 , bg = 'LightBlue' , fg = 'red' ,command = lambda : self .add_chr ("Siddiqi " ))
180+ self .seven_bttn = Button (self , text = "7 " , width = 9 , height = 3 , bg = 'LightBlue' , fg = 'red' ,command = lambda : self .add_chr ("7 " ))
172181 self .seven_bttn .grid (row = 1 , column = 0 )
173182
174183 self .eight_bttn = Button (self , text = "8" , width = 9 , height = 3 ,bg = 'LightBlue' , fg = 'red' , command = lambda : self .add_chr (8 ))
@@ -186,7 +195,7 @@ def create_widgets(self):
186195 self .six_bttn = Button (self , text = "6" , width = 9 , height = 3 ,bg = 'LightBlue' , fg = 'red' , command = lambda : self .add_chr (6 ))
187196 self .six_bttn .grid (row = 2 , column = 2 )
188197
189- self .one_bttn = Button (self , text = "1 " , width = 9 , height = 3 ,bg = 'LightBlue' , fg = 'red' , command = lambda : self .add_chr (1 ))
198+ self .one_bttn = Button (self , text = "Uchenna " , width = 9 , height = 3 ,bg = 'LightBlue' , fg = 'red' , command = lambda : self .add_chr ("Mogbo" ))
190199 self .one_bttn .grid (row = 3 , column = 0 )
191200
192201 self .two_bttn = Button (self , text = "2" , width = 9 , height = 3 , bg = 'LightBlue' , fg = 'red' ,command = lambda : self .add_chr (2 ))
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