00782nam a2200217Ia 4500001000700000003000500007005001700012008004100029010002400070050001800094082000800112100002400120245005000144260003600194300002700230520018600257650004400443650002700487650002300514650002700537112830BIBL20160527183445.0720107s1959    maua   j      00000 eng    a 59007480 /L/AC/r740 aQA141.3b.A85  a51310aAsimov Isaac2Local10aRealm of numbers.cDiagrs. by Robert Belmore.0 aBostonbHoughton Mifflinc1959.  a200 p.billus.c22 cm.  aExplanations of mathematical techniques and principles are combined with the history of mathematics. Includes simple arithmetic, square root, logarithms, and even imaginary numbers. 0aNumerationxJuvenile literature.2Local 1aNumber concept.2Local 1aMathematics2Local 1aNumber systems.2Local