Category Archives: mathematics
Triangular Numbers (Part II)
In the prior lecture we have shown how Gauss solved the problem of finding the sum In Gauss solution we reduce the problem of finding the sum of different natural numbers to the problem of finding the sum of 50 … Continue reading
Filed under math, mathematics, number
Triangular Numbers (Part I)
Going back in history more than two thousand years. Pythagoras and the Pythagoreans were interested in establishing relations between geometric figures and numbers. If you take one, one and two, one two and three stones and arrange them in a … Continue reading
Filed under math, mathematics, number, triangular number, video podcast
San Gaku (Sangaku)
Japanese Temple Geometry During the Edo period Japan was isolated from other countries. In this period of isolation Japanese mathematical results flourished mainly in the form of geometric theorems written in tablets offered in temples. The majority of the problems … Continue reading
Filed under geometry, math, mathematics
Inexpensive Modern Geometry Books by Dover
One of the things I hate and I am talking hate here, is when wonderful books go out of print and they become hard to get. I spend a considerable amount of time looking for two geometry books that I … Continue reading
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Filed under geometry, math, mathematics
Very expensive vintage math books
Expensive Math Books Maybe its just me but Math books are extraordinarily expensive! Many good books like Rudin’s Real and Complex Analysis are price at about 159 dollars. I assume there must be a reason for them to be so … Continue reading
Filed under math, mathematics
Building a Geometric figure with Mathematica.
Not too long ago I wrote here a small piece on creating beautiful figures, I was trying to explain a non trivial example on how to use METAPOST a system created by John D Hobby to build a geometric figure. … Continue reading
Filed under geometry, graphics, math, Mathematica, mathematics
Standing on the shoulders of Giants.
On Project Gutenberg, Math Books and Google Books and DJVU. As many of you know Project Gutenberg is the brain child of Michael S. Hart. The web site for Project Gutenberg is at http://www.gutenberg.org/wiki/Main_Page It collects in one place public … Continue reading
Filed under google, internet, math, mathematics
A marriage made in heaven. Combining the power of Google Reader and Yahoo Pipes to read math blogs.
A while back while surfing the web I discover Google Reader and it was nice to use Google Reader to place links to web sites and blogs I was interested in reading. Google Reader is what they call and aggregator. … Continue reading
Filed under blog, google, internet, math, mathematics, programming, technology
