December 22, 1998 |
Upgraded the page on Pythagorean Triples with a nice applet |
December 8, 1998 |
Transitivity in Action |
November 29, 1998 |
Morley's Pursuit of Incidence |
November 11, 1998 |
A Problem on an Infinite Checkerboard |
November 6, 1998 |
A three circles problem and Cutting Squares |
November 5, 1998 |
Pappus' Theorem |
November 3, 1998 |
The Pivot Theorem |
October 30 1998 |
Upgraded pages on Bertrand's Paradox |
October 29 1998 |
A page commemorating the exhibition and sale of the Archimedes Palimpsest by Scott Brodie |
October 28 1998 |
Doodling and Miracles |
October 26 1998 |
Another pair of proofs of Morley's Miracle |
October 23 1998 |
J.Conway's and D.J.Newman's proofs of Morley's Miracle |
October 22 1998 |
Thanks to Scott Brodie for a critical page, "Extra-geometric" proofs of the Pythagorean Theorem |
October 21 1998 |
Morley's Miracle |
October 11 1998 |
Josephus Flavius problem, recursive solution |
October 10 1998 |
Mechanical Proof of the Pythagorean Theorem |
October 9 1998 |
The Dumb Parrot |
October 6 1998 |
More On Inscribed Angles |
October 2 1998 |
Cantor sets |
September 29 1998 |
Fish Soup Game |
September 17 1998 |
Continued Fractions on the Stern-Brocot Tree |
September 14 1998 |
Napoleon's Theorem by Plane Tesselation |
September 7 1998 |
Munching on Inscribed Angles |
August 29 1998 |
Hearty Munching on Cardioids |
August 17 1998 |
Paper Folding |
August 2 1998 |
Copernicus' Theorem |
July 27 1998 |
Mathematics || Computers (Or Is it &&?) |
July 25 1998 |
With One 4 |
July 20 1998 |
Make Your Move, Kid! |
July 18 1998 |
Mediant Fractions |
July 17 1998 |
Applications of Pick's Theorem |
July 7 1998 |
Infinite Latin Squares |
July 3 1998 |
Proofs Without Words |
June 20 1998 |
The Floor Function |
June 18 1998 |
Infinity and Probability |
June 7 1998 |
A Geometric Illustration of a Convergent Series |
June 6 1998 |
Is 0.999... = 1? |
May 31 1998 |
Modes of Thinking |
May 30 1998 |
Iterations and the Mandelbrot Set |
May 25 1998 |
Fractions on a Binary Tree |
May 24 1998 |
Operations on Fractions |
May 18 1998 |
A Property of Cubic Equations |
May 17 1998 |
Four Geometric Problems of Antiquity |
May 16 1998 |
Constructible Numbers, examples |
May 10 1998 |
Constructible Numbers |
May 8 1998 |
Sine, Cosine, and Ptolemy's Theorem |
April 30 1998 |
Added two more proofs of Pythagoras' Theorem to the total of 27. |
April 29 1998 |
Pick's Theorem Applies to Farey Series |
April 28 1998 |
Pick's Theorem |
April 19 1998 |
Gaussian Integers |
April 18 1998 |
Minimax Principle |
April 17 1998 |
Strange Integers, Fundamental Theorem of Arithmetic |
April 16 1998 |
Strange Integers, divisors and primes |
April 13 1998 |
Strange Integers |
April 11 1998 |
Interest Calculations |
April 8 1998 |
Updated the page on constructing an n-gon given the midpoints of its sides |
April 7 1998 |
Examples of peculiar word usage in physics and evolutionary science |
April 6 1998 |
Farey series, a story |
March 28 1998 |
Merlin's Magic Squares |
March 24 1998 |
Bisecting arcs |
March 21 1998 |
The Fermat Point and Generalizations |
March 20 1998 |
Various Geometries |
March 16 1998 |
Barycentric coordinates and Geometric Probability |
March 15 1998 |
Integer Iterations on a Circle |
March 10 1998 |
Point in a Square, a beautiful proof |
March 9 1998 |
Van Obel Theorem, Determinants, and Barycentric Coordinates |
February 27 1998 |
The Collage Theorem |
February 15 1998 |
Sierpinski Gasket and Tower of Hanoi |
February 12 1998 |
Pythagorean Triples |
February 10 1998 |
3 Glasses Problem in Barycentric Coordinates |
February 9 1998 |
Barycentric coordinates |
February 8 1998 |
Sierpinski Gasket by Trema Removal |
February 7 1998 |
Lewis Carroll's Game of Logic |
February 6 1998 |
Soriteses |
February 4 1998 |
Non-Euclidean Geometries, As Good As Might be |
February 3 1998 |
Frieze Patterns |
February 1 1998 |
Dot Patterns and Sierpinski Gasket |
January 31 1998 |
Discovery of the Non-Euclidean Geometries |
January 24 1998 |
Paper strip activities, two strips |
January 23 1998 |
Attempts to Prove The Fifth Postulate |
January 21 1998 |
Background on non-Eclidean Geometries and Euclid's Fifth Postulate |
January 19 1998 |
Thanks to Scott Brodie for the insightful page Pythagorean Theorem is Equivalent to Parallel Postulate. |
January 14 1998 |
Evolution of Algebraic Symbolism, an Example |
January 6 1998 |
Binary Encoding, Another Interpretation |
January 3 1998 |
Binary Encoding with the Stern-Brocot tree |
January 2 1998 |
A Fine Feature of the Stern-Brocot tree |
January 1 1998 |
Yet Another of Euler's Formulas |