
Acalculia (not to be confused with dyscalculia) is an acquired impairment in which patients have difficulty performing simple mathematical tasks, such as adding, subtracting, multiplying and even simply stating which of two numbers is larger. Acalculia is distinguished from dyscalculia in that acalculia is acquired late in life due to neurological...
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http://en.wikipedia.org/wiki/Acalculia

A form of aphasia characterised by the inability to perform simple mathematical problems; found with lesions of various areas of the cerebral hemispheres, and often an early sign of dementia. ... Origin: G. A-priv. + L. Calculo, to reckon ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

(a″kal-ku´le-ә) inability to solve mathematical calculations.
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http://www.encyclo.co.uk/local/21001

The loss of a previously possessed ability to calculate mathematically.
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http://www.encyclo.co.uk/local/22394

Type: Term Pronunciation: ā′kal-kyū′lē-a Definitions: 1. A form of aphasia characterized by the inability to perform simple mathematical problems; found with lesions of various areas of the cerebral hemispheres, and often an early sign of dementia.
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http://www.medilexicon.com/medicaldictionary.php?t=358

acalculia 1. The inability to work with numbers. 2. A form of aphasia characterized by the inability to perform mathematical calculations. 3. The inability or loss of the ability to perform arithmetic operations.
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http://www.wordinfo.info/words/index/info/view_unit/347/

inability or loss of the ability to perform arithmetic operations.
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https://www.infoplease.com/dictionary/acalculia
No exact match found.