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Maths in a minute: The two envelopes problem
... Permalink Submitted by Burger Man on October 7, 2017 I think the article should more clearly state ...
Marianne  13 Mar 2018  16:19  33 comments

The hidden beauty of multiplication tables
... table in the Journal of Humanistic Mathematics, Volume 7, Issue 1 (January 2017), pages 189203. Typo ... display the different modulo's : http://guzintamath.com/blog/2017/02/modulushiddensymmetries/ reply ...
Marianne  13 May 2017  15:15  6 comments

Plus Advent Calendar Door #7: What's your favourite number?
What's your favourite number? If it's 7 then you're not alone. Alex Bellos, one of our favourite maths authors, ... from around the world, he found that the winner was ... 7! To find out more about the poll, see favouritenumber.net or read ...
Marianne  7 Dec 2014  12:22  0 comments

Plus Advent Calendar Door #7: A gaping hole
... to nurture mathematical creativity. The site is aimed at 7 to 16 yearolds, but open to all. It provides games, investigations, stories ...
Marianne  7 Dec 2015  10:46  0 comments

Ramanujan surprises again
... Permalink Submitted by Jan van Mourik on January 7, 2017 Which equation has the constant c in it? ...
Marianne  9 Mar 2018  12:15  15 comments

Celebrating the new year with a new prime!
... then after 54 days you'd have a number stretching over 73 miles (118 km) – almost 3 miles (5 km) longer than the previous record ... The number is known as M77232917 as it is of the form 2 77,232,917  1. Numbers of this form, 2 p 1, where p is a prime ...
Rachel  21 Feb 2018  10:42  4 comments

Carnival of maths
... carnival invites mathematical bloggers to submit the recent blog posts they're most proud of and the current host then publishes a list of ... first edition: http://math4allages.wordpress.com/2010/07/12/blogcarnival1/ Please email me if you are interested at ...
Marianne  13 Aug 2010  20:23  1 comment

The origins of proof III: Proof and puzzles through the ages
... (as explained in The Origins of Proof, Part I in Issue 7 ) highlighted how complacent people had been. These discoveries forced ...
plusadmin  17 Jan 2018  14:20  2 comments

What is the Mandelbrot set?
... = 26 2 + 1 = BIG x 6 = BIGGER x 7 = REALLY BIG, and we see that points in this orbit get bigger and ...
Marianne  29 Jan 2018  10:16  1 comment

Sexual statistics
... had 14 sexual partners, on average, and women 7. Studies have suggested that women give lower numbers when they fear the ...
Marianne  21 Feb 2018  16:43  5 comments