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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.
On www.likanas.de > Das Jahr im Kopf you can download a 137-page pdf with the title "Zyklen und Perioden. Grundlagen der Komputistik." The paper follows a
Hi George Please share your files via RapidShare.com. Upto 200MB size files can be uploaded in http://www.rapidshare.com/ . After uploading they will provide
Dear fellow calculators, We could read recently a message of George Lane. He has Pegasus training files of no less than 9 mB. It seems to be that my provider
Hi George, Thanks for sharing the info. Can you please forward a copy of latest version of Pegasus (v3.1) Thanking you in advance, Kamal Lohia ... From: