Numbers & Computation
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        USEFUL FORMULAE: Mathematical & PhysicalPaperbound$6.95 $8.95
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        SUCCEED AT NUMERACY TESTS IN A WEEKPaperbound$3.95 $9.99  
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        HOW NUMBERS WORK: Discover the Strange and Beautiful World of MathematicsPaperbound$5.95 $18.95  
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        DO NOT ERASE: Mathematicians and Their ChalkboardsHardboundPrice cut to $9.95 $35.00
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        IN PURSUIT OF ZETA-3: The World's Most Mysterious Unsolved Math ProblemPaperbound$9.95 $21.95