{ "item_title" : "A New System Of Mental Arithmetic (1837)", "item_author" : [" Daniel Harrison "], "item_description" : "A New System of Mental Arithmetic is a book written by Daniel Harrison and originally published in 1837. The book is designed to teach mental arithmetic to students, with a focus on practical applications and problem-solving. The system presented in the book is based on a series of rules and techniques that allow students to perform complex calculations in their heads, without the need for pen and paper or a calculator. The book covers a wide range of topics, including addition, subtraction, multiplication, division, fractions, decimals, and percentages. It also includes exercises and examples to help students practice their skills and develop their mental math abilities. A New System of Mental Arithmetic is a classic text that has been used by generations of students and teachers to improve their math skills and develop their mental agility.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/16/526/672/1165266725_b.jpg", "price_data" : { "retail_price" : "25.95", "online_price" : "25.95", "our_price" : "25.95", "club_price" : "25.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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