Tags » Mathematics

Peirce's 1870 “Logic Of Relatives” • Comment 10.7

Here is what I get when I analyze Peirce’s “giver of a horse to a lover of a woman” example along the same lines as the dyadic compositions. 79 more words


Vending Machine: A Different Task for a Different Task

This week, my students began a chapter on functions in Pre-Algebra.  We began the chapter with a task from the Georgia DOE in which  the students developed a code for sending secret messages.   367 more words

Islamic geometrical pattern

Islamic geometrical pattern.

In Islamic art we find very mathematical ways of designing geometrical patterns. The gigantic mosaics are made to represent an infinite pattern which can go beyond the visible world. 239 more words


How Dirac Made Every Number

A couple weeks back I offered a challenge taken from Graham Farmelo’s biography (The Strangest Man) of the physicist Paul Dirac. The physicist had been invited into a game to create whole numbers by using exactly four 2′s and the normal arithmetic operations, for example: … 279 more words


National Library Week: Happy Friday!

In a further attempt to reform after my recent misbehavior, I’m really making an effort to keep up with my promised book-a-day this week.

Today, on this sunny Friday of National Library Week, I bring you a quiet novel about a mathematics professor, his housekeeper, and the housekeeper’s young son: 117 more words

Book Reviews