Theoni Pappas (born 1944) is an American mathematics teacher known for her books and calendars concerning

popular mathematics Popular mathematics is mathematical presentation aimed at a general audience. Sometimes this is in the form of books which require no mathematical background and in other cases it is in the form of expository articles written by professional mat ...

. Pappas is a graduate of the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California), is a Public university, public Land-grant university, land-grant research university in Berkeley, California, United States. Founded in 1868 and named after t ...

, and earned a master's degree at

Stanford University Leland Stanford Junior University, commonly referred to as Stanford University, is a Private university, private research university in Stanford, California, United States. It was founded in 1885 by railroad magnate Leland Stanford (the eighth ...

. She became a high school mathematics teacher in 1967. She is the author of books including: *''Mathematics Appreciation'' (1986) *''The Joy of Mathematics'' (1986) *''Greek Cooking for Everyone'' (with Elvira Monroe, 1989) *''Math Talk: Mathematical Ideas in Poems for Two Voices'' (1991) *''More Joy of Mathematics: Exploring Mathematics All around You'' (1991) *''Fractals, Googols, and Other Mathematical Tales'' (1993) *''The Magic of Mathematics: Discovering the Spell of Mathematics'' (1994) *''The Music of Reason: Experience the Beauty of Mathematics through Quotations'' (1995) *''Math for Kids & Other People Too!'' (1997) *''The Adventures of Penrose: The Mathematical Cat'' (1997) *''Mathematical Scandals'' (1997) *''Math-a-Day: A Book of Days for Your Mathematical Year'' (1999) *''Mathematical Footprints: Discovering Mathematical Impressions All around Us'' (1999) *''Math Stuff'' (2002) *''Further Adventures of Penrose the Mathematical Cat'' (2004) *''Mathematical Snippets: Exploring Mathematical Ideas in Small Bites'' (2008) *''Numbers and Other Math Ideas Come Alive'' (2012) *''Do the Math! Math Challenges to Exercise Your Mind'' (2015) *''More Math Adventures with Penrose the Mathematical Cat'' (2017) *''Mathematical Journeys: Math Ideas and the Secrets They Hold'' (2021) Additionally, she has written a series of annual mathematics calendars in various editions.

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Further reading