IJPAM: Volume 78, No. 5 (2012)


Yutaka Nishiyama
Department of Business Information
Faculty of Information Management
Osaka University of Economics
2, Osumi Higashiyodogawa Osaka, 533-8533, JAPAN

Abstract. This article explains stairway light switches which can be turned on or off from different places. This idea is based on the binary system of Boolean algebra. Mathematics is hidden everywhere in daily life and we may enjoy it if we study the mathematics relating to everyday things.

Received: February 8, 2012

AMS Subject Classification: 03G05, 00A09, 97A20

Key Words and Phrases: switching theory, boolean algebra, truth table, Venn diagram, binary system

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Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395
Year: 2012
Volume: 78
Issue: 5