{"product_id":"the-tutors-assistant-41579-38346","title":"The Tutor's Assistant #41579","description":"The Tutor's Assistant; being a compendium of Arithmetic, and a complete Question-book. Containing, I. Arithmetic in whole Numbers; being a brief Explanation of all its Rules, in a New and more concise Method than any hitherto published; with an Application to each Rule, consisting of a large Variety of Questions in real Business, with their Answers annexed. II. Vulgar Fractions, which are treated with a great deal of Plainness and Perspicuity, III. Decimals, with the Extraction of the Square, Cube, and Biquadrate Roots, after a very plain and familiar Manner; in which are set down Rules for the easy Calculation of Interest, Annuities, and Pensions in Arrear, the present Worth of Annuities, \u0026amp;c. either by Simple or Compound Interest.\u003cbr\u003e By Francis Walkingame.","brand":"Bókin.is","offers":[{"title":"Default Title","offer_id":51124978647368,"sku":"OSC-38346","price":19500.0,"currency_code":"ISK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/4029\/9848\/files\/41579.jpg?v=1754794646","url":"https:\/\/www.bokin.is\/en\/products\/the-tutors-assistant-41579-38346","provider":"bokin.is","version":"1.0","type":"link"}