MentalCalculation at Yahoo! Groups

Re: Task for you

A.W.A.P. Bouman — Sun, 12 May 2013 15:52:48 GMT

Good afternoon, Like.. What is meant with this? There is few information in that word. Please more Regards, Willem Bouman Van:

Re: Task for you

Selçuk Soner Akgül — Sun, 12 May 2013 14:29:27 GMT

Like... 2013/5/12 A.W.A.P. Bouman ... [Non-text portions of this message have been removed]

Re: Task for you

A.W.A.P. Bouman — Sun, 12 May 2013 14:17:40 GMT

Good afternoon all, Am I right: I did some logic in the powering and found that the solution could be 2^1363.? Anyhow: if there are more possibilities, 2^1363

Re: Task for you

Selçuk Soner Akgül — Sun, 12 May 2013 13:36:20 GMT

The same question with 3 has a bigger answer. Good luck... 2013/5/12 Selçuk Soner Akgül ... -- * 3 BİLİNMEYENLİ DENKLEMLER GÖZ İLE

Re: Task for you

Selçuk Soner Akgül — Sun, 12 May 2013 13:36:06 GMT

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Task for you

ralf_laue — Sat, 11 May 2013 21:44:02 GMT

Hello, in the final of this year's German National Maths Competition for School Students (http://www.mathe-wettbewerbe.de/bwm), there was a nice question which

Re: Mental Calculation World Cup 2012 - Memories

ralf_laue — Wed, 08 May 2013 18:31:04 GMT

Dear Melik, nice photographs, thank you! Ralf

Junior Mental Calculation World Championship 2013

Jan van Koningsveld — Tue, 07 May 2013 20:04:21 GMT

The International Junior Mental Calculation World Championship 2013 will take place in Munster, Germany, from October 2nd – 5th, 2013. The team of famous

Re: The Mental Calculator's Handbook

Retothejuggler — Mon, 06 May 2013 10:16:16 GMT

As far as my knowledge goes, this book may not cover entirely new topics BUT it goes in detail about "magic numbers" in divison (far beyond 1001, all divisors

Re: The Mental Calculator's Handbook

Robert Loggins — Sat, 04 May 2013 14:13:04 GMT

Again, I read the entire book and my opinion stands. I feel it was a book written just so someone could say they “wrote a book” and I feel it is just a

Re: The Mental Calculator's Handbook

Jan van Koningsveld — Sat, 04 May 2013 08:03:31 GMT

Because of this : http://tech.groups.yahoo.com/group/MentalCalculation/message/2039 it is very hard to take anything you write really seriously. People have

Re: The Mental Calculator's Handbook

Robert Loggins — Sat, 04 May 2013 04:40:00 GMT

I bought the book and I read the book and my opinion is that the book offers nothing new to the field of mental calculation and appears to be a book written

Re: The Mental Calculator's Handbook

rob221b — Fri, 03 May 2013 19:25:29 GMT

... No it isn't. Your comments make no sense. You evidently have not read the book and have merely looked at the contents page, which is available on the

Re: The Mental Calculator's Handbook

appimag — Fri, 03 May 2013 07:35:55 GMT

Going off at a bit of a tangent, you write:"This has all been written before" That set me thinking - WHERE has it all been written before? And, taking it

Re: The Mental Calculator's Handbook

Jan van Koningsveld — Thu, 02 May 2013 18:23:00 GMT

Hi Asad, I'm sorry, there is only the printed version, no e-book. Best wishes Jan ... From: Asad Rizvi Sent: Thursday, May 02, 2013 5:28 PM To: