Capitalism and Arithmetic and Casting Out Nines

May 28, 2016

Fun with n-grams, part 2: tightly packed tries

February 13, 2014

Fun with Google n-grams data (part 1)

February 5, 2014

Haskell, Lasers, and Curved-Fold Origami

August 4, 2013

KStars GSoC: Aberration with a Stereographic Projection

July 26, 2013

Quaternions and Rotations

June 20, 2013

Coordinate Systems in KStars

June 17, 2013

JPEG compression and retina displays

April 9, 2013

QOTD: Newton on Cassegrain

January 26, 2013

Beware poor quality in Springer GTM books

November 5, 2012

Elliptic Curves, Lattices, and the Upper Half-Plane

October 31, 2012

A neat trick to distinguish integers

October 25, 2012

Curved-Fold Origami

February 7, 2012