Dear friends, To be seen on internet google: "Hart en ziel filmpje Willem Bouman" , in which I give explanation about the cross method and "Willem Bouman...
English subtitles would make this videos useful, maybe. ________________________________ From: A.W.A.P. Bouman <awap.bouman@...> To: mental calculation...
Dear Mr, Salizar, I know. There is however a problem: in our country we speak Dutch and the names are titles of TV programs. Another problem: I have no idea...
I´am from Cuba, I have 26 years and I practice mental Calculation, I really appreciate belong to this group, this is my web site ...
Freddy
freddy03032@...
Mar 20, 2009 2:56 pm
3003
Dear friends, we have date for the next Speed Memory World Championship: - Date: 24th and 25th of July at 10,00 hours in the morning. - Place: school...
I have recited pi to 22 544 digits. I need some wittnesses. Do you want to help me with this ? http://www.pi-world-ranking-list.com/rules/index.html I live in...
Thank for reply Mr. Willem Bouman, I'll have to find some Dutch people, but, in my country, that's going to take some time, mean while congrats for the...
Hi prabhu, can i have your price list of the books and abacus. If i would know where you are based at,we can meet in person Rgds vini ... From: Prabhu Sutar...
NOTE FROM THE GROUP ADMIN: This is the last e-mail on this subject that I will pass to the group. Please answer in a personal e-mail to prabhusutar@......
Hello, A few days ago, I got a record claim from Ramon Abella Villa from Spain. he solved 100 calculations for adding ten 10-digit numbers in an amazing time...
I get an idea for MENTAL CALCULATORS, I think will be very good to have a web site for mental calculators where there run some programs and calculators compete...
Freddy
freddy03032@...
Apr 4, 2009 8:41 am
3012
Hi All, I think this would be a great move. We have a file section available within the group, can we add such programs too? If not, could we set up such a...
I believe that I could make a site like this (and a lot of you mathematics guys could as well, I have no doubt). I would want to keep it proprietary: not open...
Good afternoon all, When the only goal for the website is finding out who is the fastest calculator, my reaction is short and clear: no thank you very much. My...
Hi there. Some of the factorisation problems are randomly generated, others are deliberately designed. The ones I set myself for practice are randomly...
Well, Willem, het spijt mij, but I don't agree. Most championships have to do with being quickest, longest, strongest, or whatever. Of course nobody should...
Respectfully, Willem, let's not split the thread. This thread is about designing and implementing a mental calculation competition site. It would be productive...
Good morning Bernhard, He, that's funny, I recognise "meine Muttersprache, sehr schön´. Indeed, and I realise, all kinds of sports have a quantitative...
@ mike: well, the descriptions are only in German and Swedish, but of course one can do the calculating in any language... :-) The links on the upper part are...
Thank you for that. I got excited about trainings lager but there was no free beer. For my part, I am looking at sites which have online tests and thinking...
I am wondering how the Pegasus file should be used as a model for making random tests. Is it that the number of digits before a decimal place and after a...
Hi Mike, The set-up I've put together within 'Pegasus' is designed to be adaptable - take the bits you need & junk the rest. Decimal additions (as you have...
Dear calculator friends, It is always agreeable to see his opinion confirmed. I discussed the matter more times with Gert Mittring, who is a doctor in...
I was reading about a mathematician named Xi, I think, who apparently made the formula which the stock markets used to calculate risk. Some might call the use...
Dear Calculators, For the 8 May weekend I organised a MC weekend. My esteemed guests were Dr.Dr. Gert Mittring, Jan van Koningsveld and Dr. Andrew Robertshaw,...
Respected Mr Bouman I did not understand what is this chinese remainder theorm but I am very much interested to learn the same. Can you give 1 or 2 simple...
... Before asking other people for help, I would recommend to do your homework: Option 1: Lookup "Chinese Remainder Theorem" at Wikipedia Option 2: Search for...
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