Columns for MAA website.
Various possible columns.
In 1970, John Conway, Mike Beeler, and Mike Paterson studied programmic
worms, but they couldn't figure out how a few of them behaved. In
2003, Benjamin Chaffin finally answers their question.
Square free numbers
The amazing properties of the Möbius function, and an interesting
method for guessing whether a number is prime.
Martin Gardner, John Conway, and Richard Guy have their various
solutions topped by today's desktop computers. With new solutions
by Al Zimmermann and Lance Gay.
different types of computer searches
Large Polyform Solutions
different types of computer searches.
folding tissue paper 12 times and folding tetrahedra (Naoaki)
The Icosahedral Group, Polynomial
roots, and the snubs.
Crossnumber problems, how to make and
Futurama, the Simpsons, Cubes, and Manifolds.
kleinbottle.com and knots
Fun with binders, pancakes, Les Shader, and Bill Gates
51 star flags
Find a polyhedron with edges measuring 1-n.
Exclude trominoes on a 6x6 board
Minimize triples on a dart board
Rooms with sides 1-10 5 6 1 10 2 9 3 8
cyclic multiplication 102564 142857