In [1]:
from __future__ import division
from sympy import *
x, y, z, t = symbols('x y z t')
k, m, n = symbols('k m n', integer=True)
f, g, h = symbols('f g h', cls=Function)
init_printing()

In [2]:
x/3+x**2


Out[2]:
$$x^{2} + \frac{x}{3}$$

In [3]:
3/5


Out[3]:
$$0.6$$