Hello, thank you Ralf for the information! i have a question about "Calendar from memory". I saw that some people can already do 45 in a minute, and maybe in...
I quite agree. Although I do not aspire to such speeds, I think the test paper in such a case should always carry more questions than the best competitor...
Hello George! can you tell me about a reliable method for square roots calculations with decimals please ? Because with three different examples the results...
416291 645,20616, unfortunately this answer could not be considered as the correct square root answer for 416291 the correct answer is 645.20617 or ...
<issam Yes you are right. That's the reason why i didn't use the sign "=" The question was for Georges, but i am curious about different methods. George seemed...
Dear valued group, I am looking for worksheets, support materials for Universal Concept of Mental Arithmetic System (U C Mas) program, for a beginners ( 1 ...
Hello everybody, It would be a pleasure for me to see many of you at the Mental Calculation World Cup in November. In the last weeks, I got some suggestions...
Hi I wouldn't mind having the contest on saturday. And I would appreciate if there were two attempts for everything except surprise tasks, one attempt in the...
Hello, I would prefer to have the contest at Saturday. Number of attempts: (c) Everybody has two attempts for each category (except the two surprise tasks),...
Super genius from Ukraina Andrey Slesarchuk memorized 500000 digits of pi on 6 days. (Someone write about 1000000 digits from 250 pages) On 2 minutes he can...
Oleg Stepanov
olegstepanov@...
Apr 5, 2006 1:37 pm
2055
Perheaps are you referring to Rob Fountain; Emmanuël jean <jean2ms@...> a écrit : Yes you are right. That's the reason why i didn't use the sign "=" The...
Hello, There are two new record claims for solving ten multiplication tasks without any error: * multiplying two 8-digit numbers: 13:00 minutes by Mohammed...
Hello everyone, I am addressing to all WCMC 2006 participants, I was planning my trip to germany between the 2 and 5 november. So i found it is suitable to me...
Hello, I would like to have the contest on Saturday. As for the number of attempts, my favourite is (c), which means two attempts and a longer break. Looking...
HELLO EVERYBODY, I prefer the (c) option for number of attempts. Plus, about friday, is there will be a session for record attempts, else, than the competition...
Hi moderator, I've just stumbled on your site, and the ideas are amazing! I was just wondering, where is a good place to start working on my math skills, since...
Dear Ralf, dear everybody. Can you see this email? Ten two 5 digit-numbers in 3:06 is a world Record confirmed ? And ten two 8 digit- numbers in 13 minutes? I...
Hi ralf,i am david raju chintapalli a mental calculatorform india.earlier you sent message to the group that Ten two 5 digit- numbers in 3:06 is a world Record...
... Hello, I am awaiting the formal documentation for the 13 minutes, and I think the record will be confirmed. If you want to submit a new record, please use...
Hello Mr. Alberto Coto I´m Arturo Mendoza from Peru and I ask to him, if his friend Facundo Palitos is going to participate in the 2a Mental Calculation World...
Dear sir, I will be very delighted , if I am given the chance to take part in the mental calculation competition.My hubby is mathematical calculation, thanks. ...
Hi friend: Facundo is not a mental calculator. He was a showman, and his multiplication was not real. I am going to world cup, and you Arturo? best wishes,...
Hallo, I'm a new entry from Italy. I'd like to know: what do you mean with "mental calculation"? 1) Is the player given the question only verbally, or can...
... Hello, welcome in the group. The only thing there is consensus about is that writing is forbidden. Most mental calculators prefer to have the problem in...
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