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html("""  pretty_print(html(""" 
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(g^ b)^a, g^a, b, p, (g^a)^b))  (g^ b)^a, g^a, b, p, (g^a)^b))) 
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crows not working 

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def _(m=selector([1..15],nrows=2), n=(7,(3..10))):  def _(m=selector([1..15],nrows=2), n=(7,[3..10])): 
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s = "<h3>First n=%s Bernoulli numbers attached to characters with modulus m=%s</h3>"%(n,m) s += '<table border=1>' s += '<tr bgcolor="#edcc9c"><td align=center>$\\chi$</td><td>Conductor</td>' + \ ''.join('<td>$B_{%s,\chi}$</td>'%k for k in [1..n]) + '</tr>' 
s = r"<h3>First n=%s Bernoulli numbers attached to characters with modulus m=%s</h3>"%(n,m) s += r'<table border=1>' s += r'<tr bgcolor="#edcc9c"><td align=center>$\chi$</td><td>Conductor</td>' + \ ''.join(r'<td>$B_{%s,\chi}$</td>'%k for k in [1..n]) + '</tr>' 
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html(s)  pretty_print(html(s)) 
Contents
Integer Factorization
Divisibility Poset
by William Stein
Factor Trees
by William Stein
More complicated demonstration using Mathematica: http://demonstrations.wolfram.com/FactorTrees/
Factoring an Integer
by Timothy Clemans
Sage implementation of the Mathematica demonstration of the same name. http://demonstrations.wolfram.com/FactoringAnInteger/
Prime Numbers
Illustrating the prime number theorem
by William Stein
Prime Spiral  Square FIXME
by David Runde
Prime Spiral  Polar
by David Runde
Needs fix for show_factors
Modular Forms
Computing modular forms
by William Stein
Computing the cuspidal subgroup
by William Stein
ncols not working
A Charpoly and Hecke Operator Graph
by William Stein
Modular Arithmetic
Quadratic Residue Table FIXME
by Emily Kirkman
Cubic Residue Table FIXME
by Emily Kirkman
Cyclotomic Fields
Gauss and Jacobi Sums in Complex Plane
by Emily Kirkman
Exhaustive Jacobi Plotter
by Emily Kirkman
Elliptic Curves
Adding points on an elliptic curve
by David Møller Hansen
Plotting an elliptic curve over a finite field
Cryptography
The DiffieHellman Key Exchange Protocol
by Timothy Clemans and William Stein
Other
Continued Fraction Plotter
by William Stein
crows not working
Computing Generalized Bernoulli Numbers
by William Stein (Sage2.10.3)
Fundamental Domains of SL_2(ZZ)
by Robert Miller
Multiple Zeta Values
by Akhilesh P.
Computing Multiple Zeta values
Word Input
Composition Input
Program to Compute Integer Relation between Multiple Zeta Values
Word to composition
Composition to Word
Dual of a Word
Shuffle product of two Words
Shuffle Regularization at 0
Shuffle Regularization at 1