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Messages 3010 - 3039 of 3239   Oldest  |  < Older  |  Newer >  |  Newest
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3010
... what method did you use to memorize it?...
rosson91
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Apr 3, 2009
8:28 pm
3011
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@...
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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...
George Lane
george972453
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Apr 4, 2009
9:41 am
3013
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...
Michael Curtis
mick_curtis
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Apr 4, 2009
10:59 am
3014
Is any website presently there for Mental calculators ??????????     Regards Prabhu ... From: Freddy <freddy03032@...> Subject: [Mental...
Prabhu Sutar
prabhusutar...
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Apr 4, 2009
11:52 am
3015
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...
A.W.A.P. Bouman
awapbouman
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Apr 4, 2009
6:29 pm
3016
Hi there.   Some of the factorisation problems are randomly generated, others are deliberately designed. The ones I set myself for practice are randomly...
George Lane
george972453
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Apr 4, 2009
6:30 pm
3017
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...
werbeka
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Apr 4, 2009
7:27 pm
3018
Respectfully, Willem, let's not split the thread. This thread is about designing and implementing a mental calculation competition site. It would be productive...
Michael Curtis
mick_curtis
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Apr 4, 2009
8:31 pm
3019
Good morning Bernhard, He, that's funny, I recognise "meine Muttersprache, sehr schön´. Indeed, and I realise, all kinds of sports have a quantitative...
A.W.A.P. Bouman
awapbouman
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Apr 6, 2009
8:36 am
3020
@ 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...
werbeka
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Apr 6, 2009
8:39 am
3021
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...
Michael Curtis
mick_curtis
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Apr 7, 2009
2:42 pm
3022
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...
Mick Curtis
mick_curtis
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Apr 8, 2009
8:32 pm
3023
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...
George Lane
george972453
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Apr 9, 2009
10:04 am
3024
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...
A.W.A.P. Bouman
awapbouman
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Apr 22, 2009
11:13 am
3025
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...
Michael Curtis
mick_curtis
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Apr 23, 2009
8:06 am
3026
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,...
A.W.A.P. Bouman
awapbouman
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May 15, 2009
10:42 am
3027
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...
gururaj manchali
gmanchali
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May 30, 2009
9:29 am
3028
... 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...
ralf_laue
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May 30, 2009
6:09 pm
3029
Hello everyone, You may remember a thread where Freddy said that an online mental math competition might be a good idea. At the time, I was looking for a web...
Mick Curtis
mick_curtis
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May 31, 2009
9:59 am
3030
Dear Calculator friends, After my friends Andy, Gert and Jan went home, I found this "explanation" of the chinese remainder theorem, which to me is indeed...
A.W.A.P. Bouman
awapbouman
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Jun 2, 2009
1:23 pm
3031
Hi Willem! Ok, Simulateous congruencies are something you do know - a "congruence" is a modulo. So if I ask what is the remainder when 67 is divded by 12, I...
Andy Robertshaw
robertshaw_andy
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Jun 2, 2009
8:04 pm
3032
Hi Andy, Your reaction is printed and will be studied. I do not know where the CRT is used for, anyhow in the case of the remainder division it was crystal...
A.W.A.P. Bouman
awapbouman
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Jun 3, 2009
9:20 am
3033
Dear Mr. Manchali, As I am not very sure if my message enters in your mailbox I make a cpy for Mental Calculation. Of course I am minterested if my anwer meets...
A.W.A.P. Bouman
awapbouman
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Jun 8, 2009
6:47 pm
3034
Hi folks,   It's been a while since I posted anything to the group, so I thought I'd out something down on this subject. Willem's '11 test' is very much akin...
George Lane
george972453
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Jun 9, 2009
10:14 am
3035
Hello fellow calculators, Would anyone be kind enough to in detail (step by step) show how to calculate the square root of this mentally as my algorithm...
jsh.flynn
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Jun 10, 2009
8:30 am
3036
Dear Josh, Of course you get help! Ok sqrt 100044. a.. the nearest square under your number is 316²= 99856. b.. Subtract this of 100044= 188 c.. 188/2=94÷ =...
A.W.A.P. Bouman
awapbouman
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Jun 10, 2009
6:06 pm
3037
Dear Willem Bouman, This is the most important response I have ever recieved for I finally understand the method and the logic behind it. I am hooked and have...
jsh.flynn
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Jun 10, 2009
9:30 pm
3038
Hello everyone, re: 188/2=94÷ = 2 r 32, as we later on make further subtractions 3r1 would bring us in trouble Is there a 'for dummies' version of this...
Michael Curtis
mick_curtis
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Jun 11, 2009
8:52 am
3039
Hi Josh, Willem, and... well, everyone really.   The number 100,044 gives quite a good example of a technique I sometimes use to find square roots. Willem's...
George Lane
george972453
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Jun 11, 2009
11:45 am
Messages 3010 - 3039 of 3239   Oldest  |  < Older  |  Newer >  |  Newest
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