The other day I was hanging out with some math folk, and one asked the group what our favorite theorems are. A tough question, clearly, since there are soo many fantastic theorems to choose from. For… more →
∑idiot's Blogwrote 10 months ago: In the preceding post in this series, we saw a connection between the Fibonacci numbers and the gold … more →
wrote 1 year ago: Something has happened to calculators while I wasn’t using them. I am hoping somebody reading … more →
wrote 1 year ago: This term, Summer Hansen is taking a reading course with me on Pell’s equation. Our basic refe … more →
wrote 1 year ago: This term, Summer Hansen is taking a reading course with me on Pell’s equation. Our basic refe … more →
wrote 2 years ago: There are many ways to accurately extract square roots mentally. My favourite is using the continued … more →
wrote 3 years ago: FRATIONS GENERATING SQRT(2). START WITH 1/1 , THEN FROM EACH FRACTION A/B , THE FOLLOWING WILL BE … more →
wrote 3 years ago: Sorry about the lack of a MaBloWriMo post yesterday. I got a little behind, left resources I wanted … more →
wrote 3 years ago: Let us consider linear fractional transformations where the coefficients are all integers and . Sinc … more →
wrote 3 years ago: Today we finished off Chapter 11. We worked through some of the proofs, and discussing the meaning o … more →
wrote 3 years ago: Now that we’ve got continued fractions under our belt, from chapter 10, we can go on and start … more →
wrote 3 years ago: We decided to split the reading of chapter 10 into two weeks (chapter 9 here, in case you missed it) … more →
wrote 4 years ago: One of my favorite encryption techniques isn’t really an encryption at all: it fails in the ba … more →