from tkinter import *



class Calculator:

    def __init__(self, master):
        self.write_area = Entry(master, justify=RIGHT)
        self.write_area.grid(row=0, columnspan=6, sticky=W + E, ipady=6, pady=6)

        self.scrollbarY = Scrollbar(master, orient=VERTICAL, command=self.score_area.yview).grid(
            rowspan=5, column=8, sticky=N+S)


        self.score_area = Text(master, width=40, height=10)

        self.score_area.grid(rowspan=5, column=7, padx=4)
        self.score_area['yscrollcommand'] = self.scrollbarY.set
        self.score_area_text = Label(text="Your score is:").grid(row=0, column=7)

        self.button7 = Button(text="7", height=2, width=8, command=lambda: self.write_area.insert(END, "7")).grid(
            column=0, row=1)
        self.button8 = Button(text="8", height=2, width=8, command=lambda: self.write_area.insert(END, "8")).grid(
            row=1, column=1)
        self.button9 = Button(text="9", height=2, width=8, command=lambda: self.write_area.insert(END, "9")).grid(
            row=1, column=2)
        self.buttonPlus = Button(text="+", height=2, width=8, command=self.plus).grid(row=1, column=3)
        self.buttonSquare = Button(text="x²", height=2, width=8).grid(row=1, column=4)
        self.buttonC = Button(text="C", height=2, width=8, command=self.clear).grid(row=2, column=5)

        self.button4 = Button(text="4", height=2, width=8, command=lambda: self.write_area.insert(END, "4")).grid(
            row=2, column=0)
        self.button5 = Button(text="5", height=2, width=8, command=lambda: self.write_area.insert(END, "5")).grid(
            row=2, column=1)
        self.button6 = Button(text="6", height=2, width=8, command=lambda: self.write_area.insert(END, "6")).grid(
            row=2, column=2)
        self.buttonMinus = Button(text="-", height=2, width=8, command=lambda: self.write_area.insert(END, "-")).grid(
            row=2, column=3)
        self.buttonSquareY = Button(text="xʸ", height=2, width=8).grid(row=2, column=4)
        self.buttonBackspace = Button(text="←", height=2, width=8).grid(row=1, column=5)

        self.button1 = Button(text="1", height=2, width=8, command=lambda: self.write_area.insert(END, "1")).grid(
            row=3, column=0)
        self.button2 = Button(text="2", height=2, width=8, command=lambda: self.write_area.insert(END, "2")).grid(
            row=3, column=1)
        self.button3 = Button(text="3", height=2, width=8, command=lambda: self.write_area.insert(END, "3")).grid(
            row=3, column=2)
        self.buttonMulti = Button(text="*", height=2, width=8, command=lambda: self.write_area.insert(END, "*")).grid(
            row=3, column=3)
        self.buttonRoot = Button(text="√", height=2, width=8).grid(row=3, column=4)
        self.buttonPlusMinus = Button(text="+/-", height=2, width=8).grid(row=3, column=5)

        self.button0 = Button(text="0", height=2, width=8, command=lambda: self.write_area.insert(END, "0")).grid(
            row=5, column=1)
        self.buttonDot = Button(text=".", height=2, width=8, command=lambda: self.write_area.insert(END, ".")).grid(
            row=5, column=0)
        self.buttonEqual = Button(text="=", height=2, width=8, command=self.equal).grid(row=5, column=2)
        self.buttonDiv = Button(text="/", height=2, width=8).grid(row=5, column=3)
        self.buttonLeftPar = Button(text="(", height=2, width=8, command=lambda: self.write_area.insert(END, "(")).grid(
            row=5, column=4)
        self.buttonRightPar = Button(text=")", height=2, width=8, command=lambda: self.write_area.insert(END, ")")).\
            grid(row=5, column=5)


    def equal(self):
        equation = self.write_area.get()
        self.score_area.insert(1.0, self.write_area.get() + "=" + str(eval(compile(equation, '<string>', 'eval'))) + "\n")
        self.write_area.delete(0, END)


    def clear(self):
        self.write_area.delete(0, END)
        self.score_area.delete(1.0, END)

    def plus(self):
            self.write_area.insert(END, "+")

root = Tk()

a = Calculator(root)

root.mainloop()