The Trachtenberg Speed System of Basic Mathematics

Buch | Hardcover

272 Seiten

1982
Praeger Publishers Inc (Verlag)
9780313232008 (ISBN)

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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. It looks like magic, but the rules are based on sound logic.

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.

Tables or No Tables? Basic Multiplication
Rapid Multiplication by the Direct Method
Speed Multiplication -- "Two-Finger" Method
Addition and the Right Answer
Division -- Speed and Accuracy
Squares and Square Roots
Algebraic Description of the Method

Erscheint lt. Verlag	4.2.1982
Sprache	englisch
Maße	140 x 216 mm
Gewicht	454 g
Themenwelt	Mathematik / Informatik ► Mathematik ► Allgemeines / Lexika
	Naturwissenschaften ► Physik / Astronomie
	Wirtschaft ► Volkswirtschaftslehre
ISBN-13	9780313232008 / 9780313232008
Zustand	Neuware