Article tag · 11 matching pages
Carl Sabanski's mySundial.ca and Sundial Primer turn gnomonics into a deep practical reference covering dozens of sundial types, design geometry, corrections, templates, charts, and construction tools.
Tony Phillips' Stony Brook maze pages classify simple, alternating, transit mazes using level sequences, connecting Cretan, Jericho, medieval, and cathedral labyrinths to a compact mathematical description.
The Cadaeic Pilish page explains a constrained-writing system where successive word lengths encode the digits of pi, including rules for zeros, long words, punctuation, and extended compositions that hide mathematics inside readable prose.
Matthias Wandel's old investing essay walks through technical analysis, value investing, market averages, and the uncomfortable possibility that an amateur trying to beat professionals may be volunteering to become the other side of the trade.
Robert Scharein's KnotPlot site grew from PhD work into a sprawling visual laboratory for mathematical knots, links, stereoscopic images, and topology software.
An old NYU mathematics page preserves the statement of Archimedes’ Cattle Problem, a deceptively pastoral set of number constraints that grows into a famously enormous Diophantine challenge.
Blackjack in Color uses simulation data and visual charts to explain probabilities, count distributions, and variance, preserving a specialist mathematical reference from the independent Web.
DPGraph is a surviving late-1990s mathematical visualization program written entirely in assembly language, capable of interactive graphs extending well beyond ordinary three-dimensional plotting.
Math Lair's tic-tac-toe page turns a solved children's game into an introduction to combinatorial game theory, variants, generalized boards, polyominoes, and strategy.
Purdue's Cunningham Project keeps machine-readable factor tables, wanted lists and decades of work on numbers of the form b^n ± 1 alive on a plain university web page.
Oklahoma State's GeoSET project preserves a 1998 student gallery about the seven border symmetries, complete with class projects and downloadable teaching material.