Practical Introduction to Abacus

Author: Chao Jinquan
Publisher:
Publish Date: 2004-04-01
Features: This book is compiled by Chao Jinquan, Director of the Editorial Department of the China Abacus Association. The book consists of eight chapters, comprehensively and systematically introducing the basic knowledge of abacus and the calculation methods for addition, subtraction, multiplication, division, percentages, powers and square roots, areas, volumes, and capacities, as well as methods for identifying abacus calculation errors. The appendix also provides information on the national abacus skills grading standards and practice exercises. The book explains abacus calculation methods and techniques through numerous examples, accompanied by 234 illustrations. The content is rich, with illustrations corresponding to the text, making it easy to understand and suitable for self-study. It can be used as a reference for accounting and statistics personnel, various calculation professionals, and also serves as a textbook for abacus training classes.