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    Empire of the Sum

    The Rise and Reign of the Pocket Calculator

    29 August 2025

    Territory Rights — Worldwide.

    Keith Houston (Author)

    All Formats

    Paperback

    9781324086390

    142 x 211 mm • 384 pages

    £17.99

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    Ebook

    9780393882155

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    £23.74

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