**List of the site's news added December 12th, 2013**

- NEW RECORD! New smallest known order of magic square of 7th powers
- 144x144 magic square of
7th powers by Toshihiro Shirakawa, with magic sum 3141592653589793238462643383279502884197169399375105.

Yes, amazing, all the digits of its magic sum are exactly the 52 first digits of !!! - Look also at the updated table of smallest known squares of powers

- New biographical info
- We didn't have any info on the inventors of two families of magic squares having surprising characterics never seen before. They were full mysteries, we only knew their names, but now:
- Biography of Georges Pfeffermann (in French, but with a summary in English), author of the first bimagic squares, 8x8 in 1890, 9x9 in 1891
- Biography of Walter W. Horner, author of the first additive-multiplicative magic squares, 8x8 in 1955, 9x9 in 1952, thanks to his son John R. Horner
- Supplemented biography of Andrew H. Frost, with new photos of Firth's 6x6x6 magic cube dedicated to Frost, photos by John Williamson

- New best known multiplicative magic cubes
- Two 10x10x10 multiplicative magic cubes by Toshihiro Shirakawa (one perfect, and one pandiagonal perfect), with updated tables and file

- There still remain ten enigmas for winning €6,900
and ten bottles of champagne!

Here are the most interesting recent results on the remaining enigmas, but still unsolved: - #1 (3x3 magic square of squares, or using at least 7 distinct squared integers), another astonishing remark from Tim S. Roberts
- #2 (5x5 bimagic square), above discovery of who Pfeffermann was, the inventor of this kind of square (8x8 and 9x9)... BUT this much smaller square is still unknown...
- #4b (6x6 magic square of cubes), no solution with magic sum < 1843900, by Toshihiro Shirakawa
- #4c (7x7 magic square of cubes), no solution with magic sum < 490000, and other interesting results, by Toshihiro Shirakawa, and by Dmitry Kamenetsky
- #6, #6a, #6b (5x5, 6x6, 7x7 add-mult magic squares), above discovery of who Horner was, the inventor of this kind of square (8x8 and 9x9)... BUT these smaller squares are still unknown...

- New results on multimagic series for squares
- Simplified and generalized impossibility proofs of some multimagic series by Jean Moreau de Saint-Martin
- And using his proofs, new results on pentamagic and hexamagic series, for example, impossibility of pentamagic series of order 31
- Impossibility proof of pentamagic series of order 25, but example of tetramagic series of this same order, both (proof and example) by Lee Morgenstern
- Examples of pentamagic series of order 27 by Christian Boyer, and separately by Lee Morgenstern also with orders 28, 29, 32

- New studies on old construction methods of 8x8 bimagic squares
- On Tarry's methods of 8x8 bimagic squares (and pandiagonal), by Holger Danielsson
- On Coccoz's method of 8x8 bimagic squares, by Francis Gaspalou

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