Layout Kalkulator 2

import tkinter as tk
from math import sqrt

class Page01(tk.Frame):

    def __init__(self, parent, AppSettings):
        self.settings = AppSettings

        super().__init__(parent)
        self.configure(bg="white")
        self.pack(fill="both", expand=True)

        #CREATE FRAMES
        self.create_frame01()
        self.create_frame02()
        self.create_frame03()


    def create_frame01(self):
        self.frame01 = tk.Frame(self, bg="black", height=self.settings.height//3)
        self.frame01.pack(fill="x")

    def create_frame02(self):
        self.frame02 = tk.Frame(self, bg="orange")
        self.frame02.pack(fill="both", expand=True)

    def create_frame03(self):
        frame03 = tk.Frame(self.frame02, bg="grey", height=(2*self.settings.height//3), width=(3*self.settings.width//4))
        frame03.pack(side="left", fill="y")

        line01 = tk.Frame(frame03, bg="white", height=(2*self.settings.height//9), width=(3*self.settings.width//4))
        line01.pack(fill='x')

        button7 = tk.Button(line01, text="7", font=("Comic Sans Ms", int(sqrt(2)*self.settings.height//18), "bold"))
        button7.pack(fill="x", expand=True, side="left")

        button8 = tk.Button(line01, text="8", font=("Comic Sans Ms", int(sqrt(2)*self.settings.height//18), "bold"))
        button8.pack(fill="x", expand=True, side="left")

        button9 = tk.Button(line01, text="9", font=("Comic Sans Ms", int(sqrt(2)*self.settings.height//18), "bold"))
        button9.pack(fill="x", expand=True, side="left")


        line02 = tk.Frame(frame03, bg="pink", height=(2*self.settings.height//9), width=(3*self.settings.width//4))
        line02.pack(fill='x')

        button4 = tk.Button(line02, text="4", font=("Comic Sans Ms", int(sqrt(2)*self.settings.height//18), "bold"))
        button4.pack(fill="x", expand=True, side="left")

        button5 = tk.Button(line02, text="5", font=("Comic Sans Ms", int(sqrt(2)*self.settings.height//18), "bold"))
        button5.pack(fill="x", expand=True, side="left")

        button6 = tk.Button(line02, text="6", font=("Comic Sans Ms", int(sqrt(2)*self.settings.height//18), "bold"))
        button6.pack(fill="x", expand=True, side="left")

        line03 = tk.Frame(frame03, bg="white", height=(2*self.settings.height//9), width=(3*self.settings.width//4))
        line03.pack(fill='x')

        button1 = tk.Button(line03, text="7", font=("Comic Sans Ms", int(sqrt(2)*self.settings.height//18), "bold"))
        button1.pack(fill="x", expand=True, side="left")

        button2 = tk.Button(line03, text="8", font=("Comic Sans Ms", int(sqrt(2)*self.settings.height//18), "bold"))
        button2.pack(fill="x", expand=True, side="left")

        button3 = tk.Button(line03, text="9", font=("Comic Sans Ms", int(sqrt(2)*self.settings.height//18), "bold"))
        button3.pack(fill="x", expand=True, side="left")