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Secrets of mental math : the mathemagician's guide to lightning calculation and amazing math tricks [Monografia] / Arthur Benjamin, Michael ShermerPublication: New York : Tree Rivers Press, cop. 2006Description: XV, 278 p. ; 20 cmAvailability: Items available for loan: Biblioteca da ESTiG-IPBCall number: 510/BEN/SEC (1).

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Estimation and mental computation [Monografia] / Harold L. Schoen, Marilyn J. ZwengPublication: Virginia : National Council of Teachers of Mathematics, Cop.1986Description: VIII, 248 p. ; 23 cmAvailability: Items available for loan: Biblioteca da ESE-IPBCall number: 371.01/SCH/EST (1).

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Computational alternatives for the twenty-first century : cross-cultural perspectives from Japan and the United States [Monografia] / Edited by Robert E. Reys... [et al.]Publication: Reston : National Council of Teachers of Mathematics, cop. 1994Description: 211 p. ; 23 cmAvailability: Items available for loan: Biblioteca da ESE-IPBCall number: 371.01/COM/COM (1).