A small company ‘flow computing’ specializes in writing small programs that can be given away to students to help them with their learning.

They want your help to create a program that will help students with their maths. You will be one of many computing students who will be creating a program so they want you to come up with your own design without being too limited by design constraints. You are therefore to design your own program. It MUST include a Graphical User Interface (GUI). It can be aimed at ANY age.

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from tkinter import *

class MyCalculator:

    def __init__(self):
       self.root = Tk()
       self.root.title("Simple Calculator")
       self.e = Entry(self.root, width=45, borderwidth=5)
       self.e.grid(row=0, column=0, columnspan=3, padx=10, pady=10)
       self.number_buttons = []

       button_1 = Button(self.root, text="1", font="times", padx=40, pady=20, command=lambda: self.button_click(1))
       button_2 = Button(self.root, text="2", font="times", padx=40, pady=20, command=lambda: self.button_click(2))
       button_3 = Button(self.root, text="3", font="times", padx=40, pady=20, command=lambda: self.button_click(3))
       button_4 = Button(self.root, text="4", font="times", padx=40, pady=20, command=lambda: self.button_click(4))
       button_5 = Button(self.root, text="5", font...

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