Discusses the fraction knowledge contained in the Rhind Mathematical Papyrus from ancient Egypt and presents a worksheet to explore these ideas. (MKR)

Describes graph theory and topology and its use by a programmer analyst in his job. Contains reproducible student worksheets. (MKR)

Describes the qualifications and work of an actuary and the history of statistics. Contains reproducible student activity worksheets focusing on actuarial data. (MKR)

Discusses police officers' use of mathematics when reconstructing an accident scene; and the history of algebra, including al-Khwarizmi's works on the theory of equations, the Rhind Papyrus, a Chinese and an Indian manuscript on systems of linear and quadratic equations, and Diophantus'"syncopated algebra." (10 references) (EK)

Describes the use of geometry now by a U.S. Department of Defense quality assurance representative and in ancient times by the Egyptians and Babylonians. Includes reproducible student worksheets on quality assurance. (MKR)

Discusses the changes in the scanning of food and the current use of computer technology and UPC bar codes in a grocery store and traces the history of calculating tools from the use of fingers, abacus, slide rule, calculators, and computers. Includes reproducible student activity sheets. (MKR)

Describes John Snyder's current interest in mapping, provides worksheets for a student map-projection activity, and explains how maps have been used throughout history. (MKR)