quadratic equation calculator
import tkinter as tk
import cmath
root= tk.Tk()
root.title("Quadratic Solver")
canvas1 = tk.Canvas(root, width = 400, height = 300)
canvas1.pack()
entry1 = tk.Entry (root)
canvas1.create_window(200, 60, window=entry1)
entry2 = tk.Entry (root)
canvas1.create_window(200, 100, window=entry2)
entry3 = tk.Entry (root)
canvas1.create_window(200, 140, window=entry3)
def solvequadratic ():
a = int(entry1.get())
b = int(entry2.get())
c = int(entry3.get())
label1 = tk.Label(root, text= ((-b-cmath.sqrt((b**2)-(4*a*c))/(2*a))))
canvas1.create_window(200, 230, window=label1)
label1 = tk.Label(root, text = ((-b+cmath.sqrt((b**2)-(4*a*c))/(2*a))))
canvas1.create_window(200, 260, window=label1)
button1 = tk.Button(text='Solve Quadratic', command=solvequadratic)
canvas1.create_window(200, 180, window=button1)
root.mainloop()