No Starch Press contacted me and offered me a review copy of the Manga Guide to Calculus. I have a hard time turning down a free Math book so I accepted. I had never heard of “manga” before so I read up on the subject at Wikipedia. “Manga consist of...

Today’s Wolfram Alpha Blog is the first in a series of videos and transcripts from Stephen Wolfram’s keynote address at the International Mathematica User Conference 2009. From the Wolfram Blog entry: Future Mathematica features, new directions for...

Random.org selected Ken Lareau as the winner for MMM #38. Congratulations, Ken! Here’s what the problem was: Prove or disprove: The product of any four consecutive integers is always one less than a perfect square. Don’t assume the integers...

Every now and then I like to buy old Math books. I buy them on Ebay. Most of the books I buy are from the early 1900’s or the tail end of the 1800’s. Yesterday, I happened upon this book: Yes, it’s from 1863. Yes, I paid $6.50 for it and there was no...

A couple of days ago I posted a very brief article, Dismantling the calculus pyramid. The post has been seen 2,746 times, thanks mostly to being noticed by ‘timwiseman’ who posted a link to the article at Y Combinator Hacker News. The posting at Y...