TY - BOOK TI - Mathematics T2 - Inventions and discoveries SN - 9780716603801 AV - QA 135.6 .M38 2009 PY - 2009/// CY - Chicago, IL PB - World Book KW - MATHEMATICS -- STUDY AND TEACHING (SECONDARY) -- JUVENILE LITERATURE N1 - Includes bibliographical references and index; Abacus -- Numerals -- Fractions -- Units of length -- Pythagorean theorem -- Geometry -- Prime numbers -- Value of Pi -- Algebra -- Concept of zero -- Decimal system -- Sector -- Calculators -- Probability theory -- Binary number system -- Calculus -- Metric system -- Mechanical computer -- Chaos theory -- Important dates in mathematics N2 - "An exploration of the transformative impact of inventions and discoveries in mathematics. Features include fact boxes, sidebars, biographies, timeline, glossary, list of recommended reading and Web sites, and index"--Provided by publisher ER -