History of CMA and its founder (Master Tai Chiang Ching)

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  • Established in Taiwan in 1984 (over 26 years)
  • Professional institution specializes in Dual Hand Abacus Mental Arithmetic Program for Overall Brain Development
  • Founder of CMA “Dual-Hand, Four-Finger” Abacus technique
  • Awarded the world’s Best Mental Arithmetic Trainer in 1991
  • Director of the Association of Children’s Abacus Calculation in Taiwan
  • Authored more than 200 mental arithmetic books, VCDs, CDs and CD-ROMs
  • President of Yu-Ming Publishing Co Ltd, largest mental arithmetic book publisher in Taiwan