A Ruby programming tutorial for journalists, researchers, investigators, scientists, analysts and anyone else in the business of finding information and making it useful and visible. Programming experience not required, but provided.

After much work, the first edition of The Rook’s Guide to C++ is out.  It’s been sent to the printer today, and should be here in Vermont by the end of the year! Download it here.  (Lin…

Wolfram Research legacy product documentation. See http://reference.wolfram.com/mathematica for current guides.

Released! Buy printed book on Amazon! or from Barnes&Noble. or Download pdf e-book for free! (6MB) No questions, no tracking, no personal data collected, no DRM.