John Lehet Ciphers, Fractals, and Fibonacci
Exploring Math with Python English · Paperback / Softback

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Mathematics often feels abstract because it is taught as static symbols on a page. But real understanding comes from seeing how ideas behave when you change them. This is not a programming book, and it is not a traditional math textbook. Instead, it treats math the way scientists treat physical systems: by running experiments, asking “what if?”, and learning from what happens. With only basic arithmetic and algebra as prerequisites, readers develop mathematical intuition by doing, not by rote.

John Lehet is a retired mathematics professor at the U.S. Coast Guard Academy and the owner of Advanced Reasoning Inc., an engineering firm supporting U.S. Navy sonar development. Over his career, he has taught mathematics and computing with a strong emphasis on hands-on exploration, developing activities that help students build genuine intuition rather than rely on memorization.