Speed System of Basic Mathematics

by Ann Cutler (Translator), Ann Cutler (Translator), Rudolph McShane (Translator), Rudolph Matas McShane (Photographer)

• New

  Hardcover
  1982

  $137.34

  The complete system of the Trachtenberg method of mathematics which makes possible high-speed arithmetical calculations with a remarkable degree of accuracy.

  This method is not only speedy but simple. Once one has mastered the rules, lightning calculation is as easy as reading a story. It looks like magic, but the rules are based on sound logic.

• Used

  Paperback
  1989

  $4.58

• Used

  Hardcover
  1989

  $9.86

• New

  Paperback
  1989

  $13.30