Some time ago there was a discussion on this board about "How to compute mentally" S ( J ) = J mod 19 for any year J. You will remember that this number is...
thanks arunmangal@... ... From: mnempi To: MentalCalculation@yahoogroups.com Sent: Monday, April 16, 2007 9:06 PM Subject: [Mental Calculation]...
arun mangal
arunmangal@...
Apr 16, 2007 9:03 pm
2190
And please note that this way of dealing with centuries and years contradicts the generally upheld opinion that the Christian era for the Venerable Bede and...
I wrote: "that this way of dealing with centuries and years contradicts the generally upheld opinion that the Christian era for the Venerable Bede must have...
sorry, im new to all this, what are tens and ones mean? can you show a few examples with each equation, i should be able to pick it up with 2 or 3 examples. ...
Hellow every body,All the Indian Calculators are invited to join in the group INDIANCALCULATORS.Let's share our ideas.With the inspiration of Shakunthala...
Hey there have you checked out the Speed math program -> http://www.jimmyr.com/blog/Speed_Math_Trainer_Program_126_2006.php of this guy Jimmy Ruska? It is...
hey do you practice arithmetics my friend??? ... In which level do you get? have you joined the yahoo group? check me @ myspace.com/91591091 Cheers! Nodas. ......
Dear Mr Jayaram, Where are you working as a teacher. At present I am in Kerala. Before we were in Bangalore for about 20 years. I am teaching abacus after...
I have decided to join this group as part of my journey in overcoming my mental weakness's induced by accidents and similar "brain problem" inducing events. ...
... Thanks. Some links can be found on my web page http://www.recordholders.org/en/book/memory.html. However, while the list should be comprehensive for MC...
The link you provided didnt work, what I was wondering is there a place on the internet with free games that help you train your memory and help you develop...
Remove the point of the adress. Regards. markhilton2000 <markhilton2000@...> a écrit : The link you provided didnt work, what I was wondering is there a...
silly question? But if a school child asked the question, what would be an inspirational answer? Historically, when would the ability to square root quickly...
Hello all from my childhood I was fascinated by reading about mental maths, however, I never got significant results and I picked up other things as well. But...
... things ... a ... find/ ... right? ... multiplying ... Sticker? ... you ... multiplication? ... usually ... concentration, ... Hi my friend! Speed math...
Hello Nodas nice to read from you!..thanks for answering this patiently. To give you my earlier results found in an old listing: I factorized all numbers up to...
... I love this tool: http://www.jimmyr.com/blog/speed_math.html I wish there were more tools like this to help me with mental calculation training and memory....
Hello Reto thx for replying For 1 on 5 digits multiplication good result would be for me if it's done within 10-20 seconds. And the one digits won't be 2,3,5...
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