Christian, tired of failing his grandma-in-law’s mental arithmetic challenges, made an online puzzle generator to hone his skills.
Take the 30 second arithmetic challenge
Carnival of Mathematics 124
The next issue of the Carnival of Mathematics, rounding up blog posts from the month of June, and compiled by Manjil, is now online at Gonit Sora. The Carnival rounds up maths blog posts from all over the internet, including some from our own Aperiodical. See our Carnival of Mathematics page for more information.
MacTutor History of Mathematics website creators honoured by LMS
Edmund Robertson & John O’Connor of the University of St. Andrews have been honoured by the London Mathematical Society for their pioneering MacTutor History of Mathematics website hosted at St. Andrews. On 3rd July it was announced that both men have received the Hirst Prize, and Edmund Robertson has been been invited to give the…
GIFsmos
Desmos is the web-based interactive geometry program that isn’t GeoGebra. It’s very popular with teachers. Someone’s made a nifty tool to turn a Desmos construction into an animated gif. It’s called – you guessed it – GIFsmos. They’ve got a blog containing a few nice animations, but it doesn’t seem to have been updated since I discovered…
Review: Genius at Play: The Curious Mind of John Horton Conway, by Siobhan Roberts
The author Siobhan Roberts has sent us a copy of her new book, Genius at Play. There was a strong implication that we should review it. I’ve now read the book, so I’ll do that: I enjoyed it.
MathML 3.0 is now an ISO standard
Now, uninteresting international standards news! It’s easy to forget about MathML, because unless you’re a publisher or doing complicated things with data flows, you never need to see it. I’m not doing a great job of selling this story, am I? I couldn’t even find a picture to illustrate it. After a lengthy lull in which MathML…
Puzzlebomb – July 2015
Puzzlebomb is a monthly puzzle compendium. Issue 43 of Puzzlebomb, for July 2015, can be found here: Puzzlebomb – Issue 43 – July 2015 The solutions to Issue 43 can be found here: Puzzlebomb – Issue 43 – July 2015 – Solutions Previous issues of Puzzlebomb, and their solutions, can be found here.