{"product_id":"the-trachtenberg-speed-system-of-basic-mathematics","title":"The Trachtenberg Speed System of Basic Mathematics","description":"\u003cp\u003e\u003cstrong\u003eBook info:\u003c\/strong\u003e The Trachtenberg Speed System of Basic Mathematics (Paperback, 272 pages) – Souvenir, 1989. Language: English.\u003c\/p\u003e\n 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.  ","brand":"Jakow Trachtenberg","offers":[{"title":"Default Title","offer_id":46070235955434,"sku":"0285629166","price":17.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/5301\/6298\/files\/81bvn6qfr5L._SL1500.jpg?v=1781251862","url":"https:\/\/textbookme.store\/products\/the-trachtenberg-speed-system-of-basic-mathematics","provider":"TextbookMe","version":"1.0","type":"link"}