... decepcionated with it. In addition Lam Yee Hin has an yet unconfirmed Record. Is this possible ??? ... about it ? Dear Alberto, The text clearly says that...
I have gone to the website that generates 100 digits at random for practice in addition and I am getting a time of approximately 40 seconds. I am new to this...
Sorry, I must have missed that one. What is the address of the website? I have been thinking recently about writing some software to support exercises like...
http://www.recordholders.org/en/records/100digits.html ... From: Sean Fuller To: MentalCalculation@yahoogroups.com Sent: Friday, February 25, 2005 7:30 AM ...
Does this make sense as a way to reduce the task of memorising a lot of results...? Instead of memorising 6 digit answers to calculations such as 997 x 998,...
... http://www.lk.net/~stepanov/ Thanks Oleg. Very interesting if he is a natural mnemonist like your Sh. Some clips from the TV show can be seen here: ...
I must say. This is quite brilliant. I didn't expect people to put so much thought into my question. Michael Curtis <mick_curtis@...> wrote:Copyright...
... A third grade soroban operator adds at about 2.3 digits per second. http://groups.yahoo.com/group/SorobanAbacus/message/2259 I mostly lurk here - since I'm...
Hi there Mike Here's a 'trick' I use as part of my checking routine with which I check the accuracy of my answers to such problems. I look at the first figure...
... an ... I have not gotten a response yet to my question about the speed of mentally adding 100 digits in ~ 40 seconds. The only reply so far is about...
Hi guys. Although this particular disposition doesn't answer the main question below, it seems it may be of interest to a few people out there. For anyone who...
That's impressive stuff. I am semi-obsessed with memory and applying pre-learned results to a problem. So, I am coming to believe that the following is the...
I would love to see your practice spreadsheet, George. I'm still planning to write a program to help me improve by abilities in this area (if I ever get the...
Hi, thanks for your message and for your interesting site. Concerning this calendar training program, would it not be nice to implement more methods of...
There are several Internet booksellers carrying my book, I suggest checking out the British website www.fetchbook.co.uk since they survey over 100 sellers to...
I'll post the Excel version of the practice file to the files section of the group in the next few days. It's far from perfect, but it's good enough for me -...
George, Thank you. I was able to locate a new copy here in the good old USA for $20 shipped..................should be here in 2 days. I will gladly let you...
i have this technique for cubing an integer ending in 7 examples 77^3 = (7*8*9)*100 - ( 77^2-(77*(7+8)+27)) 67^3 = (6*7*8)*100 - ( 67^2-(67*(6+8)+27)) ...
Hi all, a little while ago I came across this group by accident (looking for algorithms for integer factorization), and I have tried to catch up reading...
Thank you for the compliment, Antonio! I just wanted the focus of the Be A Genius* site to be practicable impressive mental feats. I didn't include the...
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