Frank Ayres Jr. has written at least 5 books. Their most popular book is Schaum's Outline Series : Theory and Problems of Plane and Spherical Trigonometry with 1 save with an average rating of -⭐.
They are best known for writing in the genres Juvenile Nonfiction, Mathematics, and Study Aids.
 Schaum's Outline Series : Theory and Problems of Plane and Spherical Trigonometry
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 Schaum's Outline Series Theory and Problems of Projective Geometry Schaum's Outline Series Theory and Problems of Projective Geometry
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 Schaum's Outline of College Mathematics
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 Schaum's Outline of Calculus, 5th ed.
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 Schaum's Outline of Trigonometry
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