from tkinter import *

import math

import tkinter.messagebox



root = Tk()

root.title("Scientific Calculator")

root.configure(background = 'white')

root.resizable(width=False, height=False)

root.geometry("480x568+450+90")

calc = Frame(root)

calc.grid()



class Calc():

    def __init__(self):

        self.total=0

        self.current=''

        self.input_value=True

        self.check_sum=False

        self.op=''

        self.result=False



    def numberEnter(self, num):

        self.result=False

        firstnum=txtDisplay.get()

        secondnum=str(num)

        if self.input_value:

            self.current = secondnum

            self.input_value=False

        else:

            if secondnum == '.':

                if secondnum in firstnum:

                    return

            self.current = firstnum+secondnum

        self.display(self.current)



    def sum_of_total(self):

        self.result=True

        self.current=float(self.current)

        if self.check_sum==True:

            self.valid_function()

        else:

            self.total=float(txtDisplay.get())



    def display(self, value):

        txtDisplay.delete(0, END)

        txtDisplay.insert(0, value)



    def valid_function(self):

        if self.op == "add":

            self.total += self.current

        if self.op == "sub":

            self.total -= self.current

        if self.op == "multi":

            self.total *= self.current

        if self.op == "divide":

            self.total /= self.current

        if self.op == "mod":

            self.total %= self.current

        self.input_value=True

        self.check_sum=False

        self.display(self.total)



    def operation(self, op):

        self.current = float(self.current)

        if self.check_sum:

            self.valid_function()

        elif not self.result:

            self.total=self.current

            self.input_value=True

        self.check_sum=True

        self.op=op

        self.result=False



    def Clear_Entry(self):

        self.result = False

        self.current = "0"

        self.display(0)

        self.input_value=True



    def All_Clear_Entry(self):

        self.Clear_Entry()

        self.total=0



    def pi(self):

        self.result = False

        self.current = math.pi

        self.display(self.current)



    def tau(self):

        self.result = False

        self.current = math.tau

        self.display(self.current)



    def e(self):

        self.result = False

        self.current = math.e

        self.display(self.current)



    def mathPM(self):

        self.result = False

        self.current = -(float(txtDisplay.get()))

        self.display(self.current)



    def squared(self):

        self.result = False

        self.current = math.sqrt(float(txtDisplay.get()))

        self.display(self.current)



    def cos(self):

        self.result = False

        self.current = math.cos(math.radians(float(txtDisplay.get())))

        self.display(self.current)



    def cosh(self):

        self.result = False

        self.current = math.cosh(math.radians(float(txtDisplay.get())))

        self.display(self.current)



    def tan(self):

        self.result = False

        self.current = math.tan(math.radians(float(txtDisplay.get())))

        self.display(self.current)



    def tanh(self):

        self.result = False

        self.current = math.tanh(math.radians(float(txtDisplay.get())))

        self.display(self.current)



    def sin(self):

        self.result = False

        self.current = math.sin(math.radians(float(txtDisplay.get())))

        self.display(self.current)



    def sinh(self):

        self.result = False

        self.current = math.sinh(math.radians(float(txtDisplay.get())))

        self.display(self.current)



    def log(self):

        self.result = False

        self.current = math.log(float(txtDisplay.get()))

        self.display(self.current)



    def exp(self):

        self.result = False

        self.current = math.exp(float(txtDisplay.get()))

        self.display(self.current)



    def acosh(self):

        self.result = False

        self.current = math.acosh(float(txtDisplay.get()))

        self.display(self.current)



    def asinh(self):

        self.result = False

        self.current = math.asinh(float(txtDisplay.get()))

        self.display(self.current)



    def expm1(self):

        self.result = False

        self.current = math.expm1(float(txtDisplay.get()))

        self.display(self.current)



    def lgamma(self):

        self.result = False

        self.current = math.lgamma(float(txtDisplay.get()))

        self.display(self.current)



    def degrees(self):

        self.result = False

        self.current = math.degrees(float(txtDisplay.get()))

        self.display(self.current)



    def log2(self):

        self.result = False

        self.current = math.log2(float(txtDisplay.get()))

        self.display(self.current)



    def log10(self):

        self.result = False

        self.current = math.log10(float(txtDisplay.get()))

        self.display(self.current)



    def log1p(self):

        self.result = False

        self.current = math.log1p(float(txtDisplay.get()))

        self.display(self.current)



added_value = Calc()



txtDisplay = Entry(calc, font=('Helvetica',20,'bold'),

                bg='black',fg='white',

                bd=30,width=28,justify=RIGHT)

txtDisplay.grid(row=0,column=0, columnspan=4, pady=1)

txtDisplay.insert(0,"0")



numberpad = "789456123"

i=0

btn = []

for j in range(2,5):

    for k in range(3):

        btn.append(Button(calc, width=6, height=2,

                        bg='black',fg='white',

                        font=('Helvetica',20,'bold'),

                        bd=4,text=numberpad[i]))

        btn[i].grid(row=j, column= k, pady = 1)

        btn[i]["command"]=lambda x=numberpad[i]:added_value.numberEnter(x)

        i+=1

    

btnClear = Button(calc, text=chr(67),width=6,

                height=2,bg='powder blue',

                font=('Helvetica',20,'bold')

                ,bd=4, command=added_value.Clear_Entry

                ).grid(row=1, column= 0, pady = 1)



btnAllClear = Button(calc, text=chr(67)+chr(69),

                    width=6, height=2,

                    bg='powder blue', 

                    font=('Helvetica',20,'bold'),

                    bd=4,

                    command=added_value.All_Clear_Entry

                    ).grid(row=1, column= 1, pady = 1)



btnsq = Button(calc, text="\u221A",width=6, height=2,

            bg='powder blue', font=('Helvetica',

                                    20,'bold'),

            bd=4,command=added_value.squared

            ).grid(row=1, column= 2, pady = 1)



btnAdd = Button(calc, text="+",width=6, height=2,

                bg='powder blue',

                font=('Helvetica',20,'bold'),

                bd=4,command=lambda:added_value.operation("add")

                ).grid(row=1, column= 3, pady = 1)



btnSub = Button(calc, text="-",width=6,

                height=2,bg='powder blue',

                font=('Helvetica',20,'bold'),

                bd=4,command=lambda:added_value.operation("sub")

                ).grid(row=2, column= 3, pady = 1)



btnMul = Button(calc, text="x",width=6, 

                height=2,bg='powder blue', 

                font=('Helvetica',20,'bold'),

                bd=4,command=lambda:added_value.operation("multi")

                ).grid(row=3, column= 3, pady = 1)



btnDiv = Button(calc, text="/",width=6, 

                height=2,bg='powder blue',

                font=('Helvetica',20,'bold'),

                bd=4,command=lambda:added_value.operation("divide")

                ).grid(row=4, column= 3, pady = 1)



btnZero = Button(calc, text="0",width=6,

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=lambda:added_value.numberEnter(0)

                ).grid(row=5, column= 0, pady = 1)



btnDot = Button(calc, text=".",width=6,

                height=2,bg='powder blue', 

                font=('Helvetica',20,'bold'),

                bd=4,command=lambda:added_value.numberEnter(".")

                ).grid(row=5, column= 1, pady = 1)

btnPM = Button(calc, text=chr(177),width=6, 

            height=2,bg='powder blue', font=('Helvetica',20,'bold'),

            bd=4,command=added_value.mathPM

            ).grid(row=5, column= 2, pady = 1)



btnEquals = Button(calc, text="=",width=6,

                height=2,bg='powder blue',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.sum_of_total

                ).grid(row=5, column= 3, pady = 1)

# ROW 1 :

btnPi = Button(calc, text="pi",width=6,

            height=2,bg='black',fg='white', 

            font=('Helvetica',20,'bold'),

            bd=4,command=added_value.pi

            ).grid(row=1, column= 4, pady = 1)



btnCos = Button(calc, text="Cos",width=6, 

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.cos

            ).grid(row=1, column= 5, pady = 1)



btntan = Button(calc, text="tan",width=6, 

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.tan

            ).grid(row=1, column= 6, pady = 1)



btnsin = Button(calc, text="sin",width=6,

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.sin

            ).grid(row=1, column= 7, pady = 1)



# ROW 2 :

btn2Pi = Button(calc, text="2pi",width=6, 

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.tau

            ).grid(row=2, column= 4, pady = 1)



btnCosh = Button(calc, text="Cosh",width=6,

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.cosh

                ).grid(row=2, column= 5, pady = 1)



btntanh = Button(calc, text="tanh",width=6, 

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.tanh

                ).grid(row=2, column= 6, pady = 1)



btnsinh = Button(calc, text="sinh",width=6, 

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.sinh

                ).grid(row=2, column= 7, pady = 1)



# ROW 3 :

btnlog = Button(calc, text="log",width=6,

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.log

            ).grid(row=3, column= 4, pady = 1)



btnExp = Button(calc, text="exp",width=6, height=2,

                bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.exp

            ).grid(row=3, column= 5, pady = 1)



btnMod = Button(calc, text="Mod",width=6,

                height=2,bg='black',fg='white', 

                font=('Helvetica',20,'bold'),

                bd=4,command=lambda:added_value.operation("mod")

                ).grid(row=3, column= 6, pady = 1)



btnE = Button(calc, text="e",width=6, 

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.e

            ).grid(row=3, column= 7, pady = 1)



# ROW 4 :

btnlog10 = Button(calc, text="log10",width=6, 

                height=2,bg='black',fg='white', 

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.log10

                ).grid(row=4, column= 4, pady = 1)



btncos = Button(calc, text="log1p",width=6,

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.log1p

                ).grid(row=4, column= 5, pady = 1)



btnexpm1 = Button(calc, text="expm1",width=6,

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd = 4,command=added_value.expm1

                ).grid(row=4, column= 6, pady = 1)



btngamma = Button(calc, text="gamma",width=6,

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.lgamma

                ).grid(row=4, column= 7, pady = 1)

# ROW 5 :

btnlog2 = Button(calc, text="log2",width=6, 

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.log2

                ).grid(row=5, column= 4, pady = 1)



btndeg = Button(calc, text="deg",width=6, 

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.degrees

            ).grid(row=5, column= 5, pady = 1)



btnacosh = Button(calc, text="acosh",width=6,

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.acosh

                ).grid(row=5, column= 6, pady = 1)



btnasinh = Button(calc, text="asinh",width=6, 

                height=2,bg='black',fg='white',

                font=('Helvetica',20,'bold'),

                bd=4,command=added_value.asinh

                ).grid(row=5, column= 7, pady = 1)



lblDisplay = Label(calc, text = "Scientific Calculator",

                font=('Helvetica',30,'bold'),

                bg='black',fg='white',justify=CENTER)



lblDisplay.grid(row=0, column= 4,columnspan=4)



def iExit():

    iExit = tkinter.messagebox.askyesno("Scientific Calculator",

                                        "Do you want to exit ?")

    if iExit>0:

        root.destroy()

        return



def Scientific():

    root.resizable(width=False, height=False)

    root.geometry("944x568+0+0")





def Standard():

    root.resizable(width=False, height=False)

    root.geometry("480x568+0+0")



menubar = Menu(calc)



# ManuBar 1 :

filemenu = Menu(menubar, tearoff = 0)

menubar.add_cascade(label = 'File', menu = filemenu)

filemenu.add_command(label = "Standard", command = Standard)

filemenu.add_command(label = "Scientific", command = Scientific)

filemenu.add_separator()

filemenu.add_command(label = "Exit", command = iExit)



# ManuBar 2 :

editmenu = Menu(menubar, tearoff = 0)

menubar.add_cascade(label = 'Edit', menu = editmenu)

editmenu.add_command(label = "Cut")

editmenu.add_command(label = "Copy")

editmenu.add_separator()

editmenu.add_command(label = "Paste")



root.config(menu=menubar)



root.mainloop()