(Republic of China) Jiang Wentian’s “Liu Ren Textbook Liu Ren Key” 285 pages double-sided PDF e-book download. (For content clarity, please refer to the screenshot below.) Introduction The classic textbook of Liuren in the Republic of China integrates the essence of Liuren classics of all dynasties and explains in a simple way the author of “Liuren Textbook Liuren Key” [Republic of China] Jiang Wentian masters Liuren, Qimen, Qizheng and other algebra. Less attack on western learning, finer mind

(Republic of China) Jiang Wentian’s “Liu Ren Textbook Liu Ren Key” 285 pages double-sided PDF e-book download. (Content clarity, please refer to the screenshot below)

Introduction

Republic of China classic Liurenxue textbooks integrate the essence of Liuren classics of all dynasties

The author of “Liuren Textbook Liuren Keys” (Republic of China) Jiang Wentian is good at Liuren, Qimen, Qizheng and other techniques of mathematics. Less attacking Western learning, proficient in astronomical calculation, and proficient in hypnotic circle light technique, etc., especially Liuren learning in arithmetic.

In the early years of the Republic of China, due to the popularization of lithography and printing techniques, in addition to reprinting a large number of ancient Shushu books with new technologies, there was also a trend of rearranging, correcting, simplifying, vernacularizing, and modernizing ancient Shushu books . For example, Ziwei Doushushu includes Wang Caishan’s “Doushu Xuanwei” and “Doushu Observation Record”, Zipingshu includes the works of Xu Lewu, Yuan Shushan, and Wei Qianli; In terms of literature, such as the book “Six Ren Keys”, “Ren Xue Shu Gu” and so on. It can be said that it is the first of its kind that inherits the past and inspires the future, opens up the Republic of China and modern new-style arithmetic books.

This book is the experience of the author Jiang Shijiu who has studied Liuren for more than 20 years. Go through it, from the shallower to the deeper, from the beginning to the end.” The terms in the ancient books of Liuren are also explained in plain language, so that readers can learn and understand. Therefore, this book is also called “Liuren Textbook” and “Liuren Study Lecture Notes”. The front page of this book was inscribed by General Wu Peifu of the Republic of China. In the 16th year of the Republic of China (1927), the price was as high as four yuan in the ocean. It can be seen that this book was already very valuable in the early Republic of China. The original version of this book is based on the original edition of the Republic of China in Xubailu, and the layout is cleaned up with the latest digital technology, and the advertisement of the original book is kept, and it is finely printed and published. One is for preservation and collection of Liurenshu materials, and the other is for reference and research by fellows.

Some screenshots