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Manifesto: what CTK is about Search CTK Buying a book is a commitment to learning Table of content Things you can find on CTK Chronology of updates Email to Cut The Knot Recommend this page

Chronology of Updates

Note

I have placed chronology of updates for 1996, 1997 and 1998 into separate files. Starting with 1997, the most recent entries appear topmost. Besides providing an insight of this site's evolution, chronology updates may be used for word searches.

December 27, 1999 Solve xx3 = 3
December 26, 1999 Upgraded pages on word problems
December 25, 1999 A cryptarithm #26 - this one in Swedish
December 18, 1999 Infinitude of Primes - A Topological Proof
December 16, 1999 Equichordal points: Just Do It
December 13, 1999 Invitation to MasterMind
November 3, 1999 Menelaus Theorem
October 7, 1999 A Matter of Appreciation
August 29, 1999 From Lewis Carroll to Archimedes
August 16, 1999 Benford's Law and Zipf's Law
August 15, 1999 The Exterior Angle Theorem - an appreciation, Scott Brodie
August 9, 1999 Divide a segment into n equal parts
August 7, 1999 Almost every integer has a digit 3 in it
August 6, 1999 Let Them Count by David Bogomolny
August 5, 1999 A redux of the 12 coin (a.k.a. Oddball) problem
July 31, 1999 An example of a non-constructible and non-trisectable angle
July 30, 1999 What, how, and the Web
July 19, 1999 Upgraded the Dots and Fractions page
July 18, 1999 Taylor circle
July 11, 1999 Dots and Fractions, a tiny problem
July 10, 1999 A Proof of the Fundamental Theorem of Algebra via a Maximum Modulus Theorem, Diego Vaggione
July 9, 1999 No two integers are equidistant from the square root of 2
June 30, 1999 Place Value
June 4, 1999 There exist triangular numbers that are also square
June 3, 1999 Eigenvectors by Inspection by William A. McWorter Jr.
June 2, 1999 Buffon’s Needle Problem by Scott Brodie
May 30, 1999 Mathematics and Biology
May 19, 1999 Toads And Frogs Puzzle
May 14, 1999 Bankoff's Conundrum
May 12, 1999 Word Problems
May 2, 1999 Where To Start?
April 20, 1999 An Airline Problem by William A. McWorter Jr.
April 15, 1999 Matrices Help Relationships by William A. McWorter Jr.
April 12, 1999 Fagnano's problem
April 11, 1999 The Angle Bisectors
April 9, 1999 The Altitudes
March 31, 1999 The Euler Line and the 9-Point Circle
March 30, 1999 The Altitudes and the Euler Line
March 27, 1999 Salinon: From Archimedes' Book of Lemmas
March 21, 1999 Slider Puzzles, Don Greenwell
March 16, 1999 WHEN THE COUNTING GETS TOUGH, THE TOUGH COUNT ON MATHEMATICS, William A. McWorter Jr.
March 12, 1999 Trisectable angle that is not constructible
March 11, 1999 Irrational number to an irrational power may be rational whereas Complex number to a complex power may be real
March 10, 1999 Polygons: formality and intuition
March 6, 1999 An interesting proof of the concurrency of medians, Scott Brodie
March 3, 1999 Mathematics Education: Taking a Clue From The Recent Technological Revolution, an invited talk at MSET 99 - the Mathematics and Science Education and Technology International Conference, San Antonio, Texas, March 1-4, 1999
February 28, 1999 Generalization of Napoleon's Theorem
February 6, 1999 Byzantine Basketball by W.McWorter
January 31, 1999 An Application of Mental Arithmetic to Highway Safety
January 29, 1999 On Motivation and Understanding
January 23, 1999 About a Line and a Triangle
January 19, 1999 The Means
January 10, 1999 The Medians
January 6, 1999 Thanks to Scott Brodie for Descartes' Rule of Signs
January 5, 1999 Lines, Circles and Beyond
January 2, 1999 Counting: The Beginning of Mathematics

Copyright © 1996-2008 Alexander Bogomolny

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