An amazing woman, who will be both well remembered and sadly missed. ... From: ralf_laue <info@...> Subject: [Mental Calculation] Shakuntala Devi...
4894
Rajesh Kumar
rajesh_k_sonu
Apr 24, 2013 7:11 am
Can anyone post feedback on this book if someone has read this book. Does this book avialable in e-book format? If not, any idea how I can buy this book in...
4895
George Lane
george972453
Apr 24, 2013 9:02 am
Hi Rajesh, I have only read part way through this book so far, but I can say it is very well written indeed. The techniques are explained very clearly, in...
4896
jan_van_koni...
Apr 24, 2013 11:01 am
Dear Rajesh, the book is available via lulu.com and amazon. There is no e-book version. Thank you, George, for your kind words. Best wishes, Jan van...
4897
Foley, Stephen
Sfoley@...
Apr 24, 2013 4:14 pm
I bought it. Haven't read much yet. Looks very good. Has stuff on fast addition and subtraction, which a lot of books either skip or skimp on. Have not got...
4898
Robert Loggins
jamesmason2605
Apr 24, 2013 6:53 pm
I must honestly say that I am not a fan of this book. I think the average mental calculator will be quite disappointed after buying it and the $40 is not well...
4899
Jan van Koningsveld
jan_van_koni...
Apr 25, 2013 5:07 pm
Dear Robert Loggins, what would be interesting to know is, of course, what you expected from this book and did not find. Regards, Jan From: Robert Loggins ...
4900
Jerry
wholphin48
Apr 26, 2013 8:56 am
Willem, Your elegant proof of what you say below has immensely sped up my success with solving the "four square" problem!! Jerry Newport...
4901
Jerry
wholphin48
Apr 26, 2013 9:06 am
... Sad to hear of this. Amazing calculator!! The cube and seventh roots did not impress me but her multiplication of thirteen digit numbers in less than half...
4904
Jerry
wholphin48
Apr 26, 2013 7:34 pm
Phi is the limit of the ratio of two consecutive terms of the Fibonacci sequence. I don't think it is everywhere but one often sees this ratio as a proportion...
4905
R S
retothejuggler
Apr 30, 2013 12:57 pm
Sad to hear that she passed away. She was able to calculate/construct really high powers, maybe someone knows the publisihing house where Smith book "the great...
4906
Robert Loggins
jamesmason2605
May 1, 2013 6:32 pm
My impression of this book is that it was written just “to have written a book”. I guess that is my point. This has all been written before and I was...
4907
Melik Duyar
melikduyar
May 2, 2013 3:00 pm
Dear Mental Calculators and MCWC 2012 Participants, I prepared a short film whose title is "Memntal Calculation World Cup 2012 - Memories". All participants...
4908
Jan van Koningsveld
jan_van_koni...
May 2, 2013 3:01 pm
Dear Robert, it is fine that you have your own opinion, still you didn't answer the question, what is missing in your opinion. "Something new" is very vague...
4909
Asad Rizvi
asadrizvi7
May 2, 2013 5:51 pm
Hi Jan Is there any ebook version also available? On 2 May 2013 20:01, "Jan van Koningsveld" <jan.van.koningsveld@...> ... [Non-text portions of this...
4910
Jan van Koningsveld
jan_van_koni...
May 2, 2013 6:23 pm
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:...
4911
appimag
May 3, 2013 7:35 am
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...
4912
rob221b
May 3, 2013 7:25 pm
... 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...
4913
Robert Loggins
jamesmason2605
May 4, 2013 4:40 am
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...
4914
Jan van Koningsveld
jan_van_koni...
May 4, 2013 8:03 am
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...
4915
Robert Loggins
jamesmason2605
May 4, 2013 2:13 pm
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...
4916
retothejuggler
May 6, 2013 10:16 am
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...
4917
Jan van Koningsveld
jan_van_koni...
May 7, 2013 8:04 pm
The International Junior Mental Calculation World Championship 2013 will take place in Munster, Germany, from October 2nd – 5th, 2013. The team of famous...
4918
ralf_laue
May 8, 2013 6:31 pm
Dear Melik, nice photographs, thank you! Ralf...
4919
ralf_laue
May 11, 2013 9:44 pm
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...
The same question with 3 has a bigger answer. Good luck... 2013/5/12 Selçuk Soner Akgül <ssakgul@...> ... -- * 3 BİLİNMEYENL DENKLEMLER GÖZ İLE...
4922
A.W.A.P. Bouman
awapbouman
May 12, 2013 2:17 pm
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...
4923
Selçuk Soner Akg...
ssakgul
May 12, 2013 2:29 pm
Like... 2013/5/12 A.W.A.P. Bouman <awap.bouman@...> ... [Non-text portions of this message have been removed]...
4924
A.W.A.P. Bouman
awapbouman
May 12, 2013 3:52 pm
Good afternoon, Like.. What is meant with this? There is few information in that word. Please more Regards, Willem Bouman Van:...
