Andengradsligningberegner

import math
from tkinter import *

def Reset():
    firstnum.set("0")
    secondnum.set("0")
    thirdnum.set("0")
    Total.set("0")



def Exit():
    qExit = messagebox.askyesno("Andengradsligningsberegner", "Vil du afslutte programmet?")
    if qExit > 0:
        root.destroy()
        return


def Sum():
    a=int(firstnum.get())
    b=int(secondnum.get())
    c=int(thirdnum.get())
    plus1=(-b+(math.sqrt((b**2)-(4*a*c)))/(2*a))
    minus1=(-b-(math.sqrt((b**2)-(4*a*c)))/(2*a))
    plus = round(plus1,4)
    minus = round(minus1,4)
    Total.set(plus)
    Total1.set(minus)


root = Tk()
root.geometry("825x500+180+20")
root.title("Andengradsligningsberegner")
root.configure(background="#282d38")
root.iconbitmap(r'c:\Python34\DLLs\icon.ico')

Tops = Frame(root, width=600,height=50, bd=0, relief="raise")
Tops.pack(side=TOP)

inBotto1=Frame(root,width=600,height=600, bd=1,relief="raise", bg="#282d38", highlightbackground="white", highlightthickness=3)
inBotto1.pack(side=LEFT)

inBotto2=Frame(root,width=600,height=600, bd=1,relief="raise", bg="#282d38", highlightbackground="white", highlightthickness=3)
inBotto2.pack(side=RIGHT)

Tops.configure(background="#282d38")

lblInformation = Label(Tops, font =("Raleway",31,"bold"),text="           Andengradsligningsberegner            ", bd=16, anchor="w", fg="#282d38") .grid(row=0,column=0)

var = IntVar()
firstnum = IntVar()
secondnum = IntVar()
thirdnum = IntVar()
Total = IntVar()
Total1 = IntVar()

lblFirstnum = Label(inBotto1, font =("Raleway",21), text ="A", fg="white", bg="#282d38").grid(row =  4, column = 0, sticky=W)
txtFirstnum = Entry(inBotto1, font =("Raleway",17), bd=4, width=13, fg="#282d38", textvariable=firstnum).grid(row=4, column=1)

lblSecondnum = Label(inBotto1, font =("Raleway",21), text ="B", fg="white", bg="#282d38").grid(row =  5, column = 0, sticky=W)
txtSecondnum = Entry(inBotto1, font =("Raleway",17), bd=4, width=13, fg="#282d38", textvariable=secondnum).grid(row=5, column=1)

lblThirdnum = Label(inBotto1, font =("Raleway",21), text ="C", fg="white",bg="#282d38").grid(row =  6, column = 0, sticky=W)
txtThirdnum = Entry(inBotto1, font =("Raleway",17), bd=4, width=13, fg="#282d38", textvariable=thirdnum).grid(row=6, column=1)


lblTotal = Label (inBotto1, font =("Raleway",17), text = "Første løsning",bg="#282d38",fg="white",bd=16).grid(row=7,column=0,sticky=W)

lblAnswer = Label (inBotto1, font =("Raleway",17), bd=4, width=12, bg="white",fg="#282d38", textvariable=Total,relief="sunken",justify="left").grid(row=7,column=1,sticky=W)

lblTotal1 = Label (inBotto1, font =("Raleway",17), text = "Anden løsning",bg="#282d38",fg="white",bd=16).grid(row=8,column=0,sticky=W)

lblAnswer1 = Label (inBotto1, font =("Raleway",17), bd=4, width=12, bg="white",fg="#282d38",textvariable=Total1,relief="sunken",justify="left").grid(row=8,column=1,sticky=W)


btnTotal = Button(inBotto2, pady=8,bd=8,fg="#282d38",font =("Raleway",20), width=15,height=1,text="Beregn", bg="white", command=Sum).grid(row=0, column=0)

btnReset = Button(inBotto2, pady=8,bd=8,fg="#282d38",font =("Raleway",20), width=15,height=1,text="Nulstil", bg="white", command=Reset).grid(row=1, column=0)

btnExit = Button(inBotto2, pady=8,bd=8,fg="#282d38",font =("Raleway",20), width=15,height=1,text="Afslut", bg="white", command=Exit).grid(row=2, column=0)


root.mainloop()