Monthly Archives: September 2006

Circles are awesome

Posted on September 26, 2006 by

Circles Are Awesome. Enough said.

Posted in geometry, links | 2 Comments

New bookshelf entry: The Book of Numbers

Posted on September 20, 2006 by

After seeing John H. Conway and Richard Guy‘s The Book of Numbers cited in yet another interesting article/book/whatever, I finally decided that I clearly had to read it. (It seems to get cited a lot in certain circles.) I wasn’t … Continue reading →

Posted in books, famous numbers, geometry, golden ratio, infinity, links, primes | 3 Comments

Proof by animation

Posted on September 20, 2006 by

A proof of the Pythagorean Theorem: [java_applet] Cool, huh? If you don’t immediately see how it’s a proof of the Pythagorean Theorem… just stare at it for a while. =) You can pause the animation (and then restart it again) … Continue reading →

Posted in geometry, proof | 2 Comments

New Mersenne prime, for real this time!

Posted on September 11, 2006 by

GIMPS has just announced today that they have indeed found a new Mersenne prime! Obviously I can’t print the whole thing here, but I can tell you that the first 50 digits are 12457502601536945540085550157479950312279598515115, and the last 50 digits are … Continue reading →

Posted in links, primes

Challenge #5 Solution

Posted on September 7, 2006 by

Okay, time for a solution to Challenge #5…

Posted in famous numbers, golden ratio, solutions

New Mersenne prime (probably)!

Posted on September 5, 2006 by

The Great Internet Mersenne Prime Search has just announced that they have (probably) discovered a new Mersenne prime. They haven’t released any details yet so speculation abounds. Will this be the prime to win the $100,000 prize awarded by the … Continue reading →

Posted in links, primes | 1 Comment