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3 messages added in the last 7 days
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  • Re: Peagsus v5.1 - and Chandra S Muduli

    Hi George I am interested ≡∙∞τ εΣ-iPhone ∙∞Θ On 23 ßα⌠° 2015, at 21:47, "George Lane

    aditamir 22 hours ago
  • Re: Peagsus v5.1 - and Chandra S Muduli

    Yes, thanks, I would like to get your email. Best – Steve Foley From: MentalCalculation@yahoogroups.com [mailto:MentalCalculation@yahoogroups.com] Sent:

    22 hours ago
  • Peagsus v5.1 - and Chandra S Muduli

    Good morning/afternoon/evening everyone, Some of you will already know that I have made an offer to my fellow mental calculators via one of the 'Mental

    george972453 1 day 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

  • 1156
  • Mathematics
  • Oct 8, 2002
  • English

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