Mental Calculation Discussion List

Every mental calculator is welcome to join our mailing list about mental calculation.

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If you are interested in topics like memorising or speed reading too, you should also consider to subscribe to the World Wide Brain Club mailing list.

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.

Books about Mental Calculation:

Calculating Without Instruments

How to Calculate Quickly

Calculating Without Instruments

Dead Reckoning : Calculating Without Instruments


World Records for Memory and Mental Calculation,
Back to the World Record Homepage