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  • Re: Dubai 2018 - current situation

    Greetings to everyone. Many thanks Mo, much appreciated. I'll be running time trials on the current design over the next few days, so I should be able to

    george972453 14 hours ago
  • Re: mental calculation contest

    Hi Huseyin i read out your email in mental calculation group.your email was i'm math teacher in a high school! I have been teaching mental for 6 years. could

    3 days ago
  • Mental Calculation World Cup 2018 - Your Registration will be Welcom

    Dear mental calculators, - Please help to circulate this call for registrations - Mental calculators from all over the world are invited to the 8th Mental

    ralf_laue 10 days ago
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Group Description

The topics discussed are for example:

* advanced mental calculation tasks (like extracting roots or multiplying big numbers)

* algorithms

* books about mental calculating

* competitions, achievements and records for mental calculations

* teaching mental calculation at school

* useful computer programs

* using the abacus / soroban

Beginners' questions are welcome, but do not expect to get the solution for your homework here.

Group Information

  • 1215
  • Mathematics
  • Oct 8, 2002
  • English

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