# Zinseszins

from tkinter import *


def berechnen():
    wert1 = float(entry1.get())
    wert2 = float(entry2.get())
    wert3 = int(entry3.get())
    result= wert1*(1+wert2/100)**wert3
    result=round(result,2) # Runden auf 2 Nachkommastellen
    label.config(text=str(result))

fenster = Tk()
fenster.title('Zinseszins')
fenster.geometry('500x300')
fenster.resizable(0,0)
#fenster.iconbitmap('W:\symbol.ico')

label = Label(master=fenster,
              bg='lightgrey',
              fg='purple',
              text='Endkapital',
              font=("Arial", 30))
label.place(x=10, y=200, width=230, height=50)

label1 = Label(master=fenster,
              bg='lightgrey',
              fg='purple',
              text='Anfangskapital',
              font=("Arial", 18))
label1.place(x=10, y=10, width=180, height=50)

label2 = Label(master=fenster,
              bg='lightgrey',
              fg='purple',
              text='Zinsfuß',
              font=("Arial", 18))
label2.place(x=200, y=10, width=100, height=50)

label3 = Label(master=fenster,
              bg='lightgrey',
              fg='purple',
              text='Laufzeit',
              font=("Arial", 18))
label3.place(x=310, y=10, width=100, height=50)

entry1 = Entry(master=fenster, bg='red', font=("Arial", 30))
entry1.place(x=10, y=70, width=180, height=50)

entry2 = Entry(master=fenster, bg='orange', font=("Arial", 30))
entry2.place(x=200, y=70, width=100, height=50)

entry3 = Entry(master=fenster, bg='yellow', font=("Arial", 30))
entry3.place(x=310, y=70, width=100, height=50)

button = Button(master=fenster, bg='green', text='=',
                font=("Arial", 30), command = berechnen)
button.place(x=10, y=130, width=100, height=50)