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from Wiktionary, Creative Commons Attribution/Share-Alike License

From English a- ("not") + Latin calculare ("to calculate") + English -ia ("pathological condition").


  • It is a [[disability]] that originates at birth, and therefore should not be confused with acalculia, which is the inability to perform simple mathematical calculations because of an injury to the brain.

    Conservapedia - Recent changes [en]

  • A poor performance on such tasks is termed dyscalculia or acalculia and is associated with dominant hemisphere often parietal dysfunction.

    The Neuropsychiatric Guide to Modern Everyday Psychiatry

  • - from the egg: from the very beginning, hence completely and in great detail; throughly or voluminously adj. - pertaining to foolish or excessive laughter v. - to leave hurriedly, suddenly, or secretly acalculia



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  • JM can’t count the number of times his acalculia interferes with his calculations.

    August 25, 2009

  • ~Loss of a previously possessed ability to engage in arithmetic calculation

    January 19, 2009

  • An inability to perform simple arithmetic tasks.

    January 7, 2008