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  • Members: 1115
  • Category: Mathematics
  • Founded: Oct 8, 2002
  • Language: English
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Messages 1999 - 2029 of 4924   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand Author Sort by Date ^
1999 rob221b Send Email Feb 6, 2006
8:52 am
Hi Ulrich, I did not assign Monday = 1, etc. That's just the way the OFFSETS turn out using a base date of 0 Jan 1900. In any case, they are not inconsistent...
2000 rob221b Send Email Feb 6, 2006
8:52 am
... Hi Deepak, The offset for 78 is 6, because 78 mod 7 = 1, 78 div 4 = 19 and 1 + 19 = 6 mod 7 (see my earlier explanation of what this means). Hence, 4...
2001 mnempi Send Email Feb 6, 2006
8:54 am
pi-permutation is a special form of pi-memory-sport which I invented some years ago. Indeed, up to very recently I seem to have been the only person practicing...
2002 mnempi Send Email Feb 6, 2006
9:04 am
Pi-Permutation: rules This I write for those of you who consider participation in our contest. N = overall number of single positions n = length of the parts...
2003 mnempi Send Email Feb 6, 2006
1:08 pm
Hi Rob, "If you are still not happy with this ..." - it was only after reading this remark that I discovered that I in fact should be unhappy. And for various...
2004 Emmanuel/DATA
emmanuel_dub... Send Email
Feb 6, 2006
1:33 pm
... To make things easier ; from 73; because 56+6+11 78-73=5 5 mod 4 = 1 5+1=6 ... Hi Deepak, The offset for 78 is 6, because 78 mod 7 = 1, 78 div 4 = 19 and 1...
2005 javiergijn Send Email Feb 10, 2006
11:49 am
Do you have some idea on how to develope or cultivate a VISUAL imaginery instead of auditive (myself) ? . Thanks . Javier....
2006 Emmanuel/DATA
emmanuel_dub... Send Email
Feb 10, 2006
12:50 pm
The word "instead" is perheaps not the good idea; Use both memories simultaneuously is perheaps even better. Learn to reproduce pictures impossible to name...
2007 JWMeritt@...
jwmeritt Send Email
Feb 11, 2006
1:38 pm
... Beats me. My memory/thought processes ARE visual and I have really poor auditive processing (example: If I hear something I may or may not - probably not...
2008 rob221b Send Email Feb 13, 2006
12:03 pm
... I never stated that Mon=1. In the standard four-offset method, a day offset of 1 takes you from the day of the week for the base date, a Sunday, to a...
2009 Mick Curtis
mick_curtis Send Email
Feb 13, 2006
12:03 pm
Hello, What are you trying to achieve? Do you want improved visualisation skill or do you mainly want it so that you can do mental steps without needing paper?...
2010 rob221b Send Email Feb 13, 2006
12:04 pm
This is an extremely important question! The ability to visualise is a prerequisite of most of the standard memory systems, but this is rarely mentioned in the...
2011 javiergijn Send Email Feb 13, 2006
12:04 pm
Hi , You´re right about the word "instead",Emmanuel.If i remember you´re interested too in languages . That makes me think you understand me When i talk...
2012 javiergijn Send Email Feb 13, 2006
12:05 pm
Hi , You´re right about the word "instead",Emmanuel.If i remember you´re interested too in languages . That makes me think you understand me When i talk...
2013 javiergijn Send Email Feb 13, 2006
12:06 pm
Hi , You´re right about the word "instead",Emmanuel.If i remember you´re interested too in languages . That makes me think you understand me When i talk...
2014 JWMeritt@...
jwmeritt Send Email
Feb 15, 2006
12:27 pm
... Isn't everything? In my opinion, A 'talent&#39; may come without work, but 'skills&#39; are developed. Hence, work. How do you 'work' for auditory recollection?...
2015 issam khneisser
issamn_1 Send Email
Feb 15, 2006
12:30 pm
Dear Robert, So 01-01-0000 was a saturday isn't it? Best regards Issam ... I never stated that Mon=1. In the standard four-offset method, a day offset of 1...
2016 mnempi Send Email Feb 15, 2006
12:35 pm
I think it is o.k. that we have stated our different point of views. ... Obviously the mnemonist is much more sensible and vulnerable as to "changes"; the...
2017 Emmanuel/DATA
emmanuel_dub... Send Email
Feb 15, 2006
2:00 pm
If you use the calculation you are indeed correct Issam; It's the same case as 2000 and 1600 but during year 1582 people went to bed a 5th october 1586 and...
2018 Emmanuel/DATA
emmanuel_dub... Send Email
Feb 15, 2006
3:09 pm
Lewis Carroll's Algorithm for finding the day of the week for any given date [this is from Martin Gardner's The Universe in a Handkerchief: Lewis Carroll's...
2019 mnempi Send Email Feb 15, 2006
8:47 pm
Robert, As your explanations very clearly demonstrate, everything is settled by assigning offsets K to the day of the month (T), the month (M), the year in the...
2020 mnempi Send Email Feb 15, 2006
9:46 pm
I forgot to add, that for the year J (= 100 H + E)the formula K (W) = ( K (T) + K (M) + K (E) + K (H) ) mod 7 holds good if and only if J is a common year or...
2021 issam khneisser
issamn_1 Send Email
Feb 16, 2006
3:34 pm
Emmanuel/DATA <emmanuel_dubrulle@...> wrote 1676, February 23 16 from 18 gives "2" 76 is 6 dozen and 4, giving 10; plus 1 gives 11, i.e. "4". Total "6" ...
2023 Emmanuel/Data
emmanuel_dub... Send Email
Feb 16, 2006
6:38 pm
Ooops No; Its a Sunday ! 16=>6 23=>2 February=>3 6+2+3=11=>4 76...from 56=>62=>73 76-73=3 3and 4 = 7 => Sunday I verified in MSOUtlook calendar :D -----...
2024 Robert Loggins
RDLoggins Send Email
Feb 16, 2006
7:35 pm
And you guys are claiming to be able to do 45 of these calendar problems in ONE MINUTE? ... From: Emmanuel/Data To: MentalCalculation@yahoogroups.com Sent:...
2025 Emmanuel DUBRULLE
emmanuel_dub... Send Email
Feb 17, 2006
7:47 am
I never said anything like that, by the way I've never been involved in a competition; In my case I'd say 6 calendar problem in one minut But if another one on...
2026 Robert Loggins
RDLoggins Send Email
Feb 17, 2006
4:56 pm
I looked back through the posts from a month ago and this is what I read: Yusnier Viera Romero (Cuba)............. On the same occasion, he calculated 42 days...
2027 Jan van Koningsveld
jan_van_koni... Send Email
Feb 17, 2006
5:18 pm
Please take a look at http://www.recordholders.org/en/events/worldcup/2004/results.html , where Matthias was able to calculate 33 in a minute by writing the...
2028 Robert Loggins
RDLoggins Send Email
Feb 17, 2006
6:57 pm
I still don't believe he can do 45 calendar problems in one minute........sorry ... From: Jan van Koningsveld To: MentalCalculation@yahoogroups.com Sent:...
2029 Michael Curtis
mick_curtis Send Email
Feb 17, 2006
7:41 pm
Using memory techniques, some of the calculation steps might be eliminated. For instance, there might be a small number of year types: ones which begin on a...
Messages 1999 - 2029 of 4924   Oldest  |  < Older  |  Newer >  |  Newest
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