511 / T565m
Tocquet, Robert
THE MAGIC OF NUMBERS
/ LIGHTNING CALCULATOR AND THEIR SECRETS, HOW TO DO MENTAL ARITHMETIC ANIMAL CALCULATORS
.- London: Elek Books, c1960
.- 160 .
Subject Headings:
Mathematical Recreations;
Author Added Entry:
Weaver, Denis;
Copy Details:
Acc. No.: K6192, Full Call No.: 511 T565m, Item type: Books , Location: General Stacks,
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