返回

缩放 将鼠标悬停在图片上即可放大

The Trachtenberg Speed System of Basic Mathematics

201.43 SGD
Member Price
181.29
English

Product Description

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.
... Read Full Text

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.

... Read Full Text

Available to Order

Usually dispatches within 3-4 weeks

While every attempt has been made to ensure stock availability, occasionally we may run out of stock at our stores.

Free domestic shipping on orders over 50.00SGD

Discount is applied at checkout.

Recently Viewed Items

Related Products