Tsao, Hung-ping (2023). Cracking Sudoku Down Completely (全方位破解數獨). In: “Evolutionary Progress in Science, Technology, Engineering, Arts, and Mathematics (STEAM)”, Wang, Lawrence K. and Tsao, Hung-ping (editors). Volume 5, NUMBER 6B, June 2023; 109 pages. Lenox Institute Press, Auburndale, MA, 02466, USA. No. STEAM-VOL5-NUM6B-JUN2023; ISBN 978-0-9890870-3-2. ……. ABSTRACT: This is the English version of author’s paperback book (全方位破解數獨), an e-version of which can be found in https://doi.org/10.17613/ed9t-1f58 . Based on his ten years of experience in challenging numerous Sudoku puzzles devised by the world’s top-ranked masters, the author had developed a unique step-by-step puzzle solving procedure by way of using subscripts and brief annotations. This unique feature can manifest the logical underpinning of puzzle-unfolding process and thus enable readers, especially the seniors and minors, walk through with the author the clear path of how a Sudoku puzzle is being solved. ….. FORWARD:
SuDoku is the Japanese abbreviation of “Independent Number Place”. Its original name was “Number Place“. It traced back to the Latin square, not including stars and subscripts) invented by the eighteenth century Swiss mathematician Leonhard Euler.