%pylab inline

>>> n = 0
>>> for i in range(5):
...     n += i
... 
>>> print n

# Exception tracebacks are attractive, detailed!

plot([1, 2, 3], [4, 5, 'a'])

!pwd

!cal 1 2013

files = !ls /usr/bin

%load spectral_classification.py

# See examples at http://matplotlib.org/gallery.html

%load http://matplotlib.org/mpl_examples/api/radar_chart.py

%timeit '-'.join(('abc', 'def', 'ghi'))
%timeit '-'.join(['abc', 'def', 'ghi'])

from IPython.display import Image, HTML, Latex, YouTubeVideo

f = 'venv/lib/python2.7/site-packages/pyface/images/about.jpg'
Image(filename=f)

HTML('<iframe src="http://numpy.org/" height=240 width=480>'
     '</iframe>')

YouTubeVideo('F4rFuIb1Ie4')  # Fernando Pérez at PyConCA

from sympy.interactive import init_printing
init_printing()

from sympy import *
x, y = symbols('x y')
eq = ((x + y)**2 * (x + 1))

eq

expand(eq)

Latex(r'The Taylor series for $e^x$ is:'
      r'$$\sum_{x=0}^\infty {x^n / n!}$$')