December 27, 1999 |
Solve x^{x3} = 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 |