Book (Practical) Mathematics A mathematical swamp that even humanities students can't help but get hooked on

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Mathematics
Mathematics. "What is interesting?" "What is useful for?" "How is it used in the world?" The University of Tokyo Quiz King, who specializes in mathematics, answers these questions! ・ What is the probability of a Yokozuna winning 69 games in a row? ・ "Large Prime" or "Giga Prime", which is larger? ・ "Pair Method" which allows you to learn logical thinking ・ Personal information is protected by "Prime Factorization" ・ "Differential and Integral" which supports the forecast of cherry blossom blooming ・ Why can you say that you are sure of winning the election in "0 seconds"? ・ The man who ended the war by "cryptanalysis". etc. Welcome to the beautiful, fun, deep "World of Mathematics" that you cannot escape once you become addicted to it! This book is full of talks about the "beauty, fun, and depth" of mathematics and numbers by Mr. Tsurusaki, who has been deeply addicted to the "World of Mathematics" since he was three years old. From people who have a complex in mathematics to those who belong to a mathematical cluster, why don't you enter the "World of Mathematics" which is "interesting and useful"?