212        vector = np.vectorize(np.int_)
213        xr = np.array(x)
214        xs = xr.astype(float)
215        yr  =np.array(ys)216        y = yr.astype(float) 
217        ys = np.reshape(y , (100, 1))
218        plt.plot(xs ,ys, 'r')

143        f.write(str(operator1) + '(' + str(number1) + ')' '=' + str(answerln)+  '\n')
144elif operator1 == 'tan^-1':
145    number1degrees = number1 * (180/pi)
146    answer  = cmath.atan(number1degrees)147    answerln =  answer
148    print(answerln)
149    with open('Log.txt', 'a') as f:

 72    answer = number1 + number2
 73    print("The answer is: " + str(answer))
 74    with open('Log.txt', 'a') as f:
 75        f.writelines(str(number1)  + str(operator1) + str(number2) + '=' + str(answer) + '\n') 76elif operator1 == '-':
 77    answer = number1 - number2
 78    print(answer)