What Are You Figuring Now?

What Are You Figuring Now?

by Jeri Ferris, Amy Johnson (Illustrator)
Library Binding, 64 pages
Used Price: $4.80 (1 in stock) Condition Policy

A biography of the Afro-American farmer and self-taught mathematician, astronomer, and surveyor for the new capital city of the United States in 1791, who also calculated a successful almanac notable for its preciseness.

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