

Hushai Elite user St. Louis, Missouri, USA 449 Posts 
I have never seen this mathematical principle used the way it is in Adam Hudson's "Sum It Up." https://www.penguinmagic.com/p/14702 Very interesting! Who else has used it like this?

hcs Elite user Germany, Magdeburg 432 Posts 
I described the well known mathematical principle in my book Melencolia I. This kind of a !@#$**g m****x dates back to Walter Gibson, 1938 and was put into print by Maurice Kraitchik: „Mathematical Recreations,” pp. 182  192; W.W. Norton and Company Inc, New York, 1942.
The card part is based on a me******d or s******d ***k plus clever handling of the ****r to get the right place. Chapeau for the thinking and handling of that combo by Adam Hudson!
Melencolia I  Magic Squares for the Mental Entertainer * Smart Methods for 4x4, 5x5 and 6x6 Magic Squares * 172 A4pages * version 3.40

Mr. Mindbender Inner circle 1416 Posts 
Picked this up yesterday, it's a straightforward 6 page PDF. I like brevity.
The s***k Adam suggests makes the mental work very, very simple  easily done in the "heat of the moment" of performing. In an effort to make the math super simple though, the s***k doesn't really allow you to turn the cards faceup while counting. But with a little effort, I found a simple way to use any me******d ***k. There's just one added step of math  but again, it's very, very simple. The end result is that you can use your me******d ***k, turn the cards face up while counting and then when you put the deck back together, you're still in me******d ***k order and reset to go again, or move into another me******d ***k routine. For the price, if this kind of stuff interests you in any way, it's well worth the price. Well done Adam Hudson! PS: If you've bought this through Penguin, I posted my process of using a me******d ***k in the forum. 
Hushai Elite user St. Louis, Missouri, USA 449 Posts 
Quote:
On Dec 19, 2020, hcs wrote: I learned a little bit about the !@#$**g m****x a few months ago  it was new to me then, and I enjoyed what I learned about it. But then when I saw how Adam Hudson was using it in this trick, it seemed to my untutored eyes to be a new departure. He derives the necessary !@#$**g m****x so easily and quickly, during the performance of the trick. I didn't know you could make one up with so little trouble. 
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