You might have heard the story about the author of a calculus textbook that made so much money he could afford to build a mansion in the shape of an integral symbol. Well, his name was James Stewart and he died last December, so now Integral House is up for sale, for $23m. Yes, textbooks are…
The Open Logic Project – an open-source, collaborative logic textbook
Good news, logic fans! The Open Logic Project is a project to write an open-source textbook on logic. And if you read it, you’ll find tautologies like the last sentence completely thrilling. The book is aimed at a non-mathematical audience, mainly computer science and philosophy students, so it assumes very little knowledge of the basics. The project…
Physics with hidden calculus
Crossing campus this afternoon, a student whose exam is later this week asked me “when you ask a real-world question on the exam and you want us to solve an ODE, can we just do it using formula we memorised from A-level physics?” Like what? “Like with one of the distance questions we might just…
Puzzlebomb – May 2015
Puzzlebomb is a monthly puzzle compendium. Issue 41 of Puzzlebomb, for May 2015, can be found here: Puzzlebomb – Issue 41 – May 2015 The solutions to Issue 41 can be found here: Puzzlebomb – Issue 41 – May 2015 – Solutions Previous issues of Puzzlebomb, and their solutions, can be found here.
The Journal of K-Theory is dead
Following on from the resignation of the editorial board, CUP has announced that it’s not publishing the Journal of K-Theory any more. The new journal started by the former editors, Annals of K-Theory, aims to start publishing papers online this year.
Review: CALX, a calculator for iPhone
Reader Danial Clelland wrote in to tell us about his new calculator app for iPhone, CALX. None of us owns an iPhone, but I borrowed someone else’s for a while and had a brief look at the app.
The Aperiodical is 3
The Aperiodical turned three on Saturday. I was away attending my brother’s wedding, but I couldn’t let the birthday pass without mention. In three years we’ve published 1,462 posts (make that 1,463 including this one) by 32 authors, read by 713,000 visitors. Thanks for reading!