Calculus: Book One    by Peter Ponzo
Price: Free! 77820 words. Language: English. Published on June 18, 2011. Nonfiction » Education and Study Guides » Study guides - Mathematics.
An introduction to the Calculus: book one

Calculus: Book Two    by Peter Ponzo
Price: Free! 70380 words. Language: English. Published on June 18, 2011. Nonfiction » Education and Study Guides » Study guides - Mathematics.
An introduction to the Calculus: book two

1s Upon A Time    by Richard Kerr
Price: Free! 3840 words. Language: English. Published on April 4, 2011. Nonfiction » History » History of things.
(4.00 from 1 review)
For those who hate numbers; and those who like them. Are numbers weird, annoying things that don't mean much? And where did they come from anyway? We don't learn the history of numbers in Math class. This gives them an unreal image that confuses a lot of people. But they came from somewhere for a reason and it helps to know where. This is a short article about the invention of 1, long, long ago.