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    Short-cut math. by Kelly, Gerard W.

    Published 1969
    Book
  3. 3

    Basic tables in business and economics by Cox, Edwin Burk 1930-

    Published 1967
    Book
  4. 4

    Calculator's cunning the art of quick reckoning by Menninger, Karl W. 1898-

    Published 1964
    Book
  5. 5

    High-Speed mathematics. by Meyers, Lester

    Published 1947
    Book
  6. 6

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