Dyscalculia, also known as developmental arithmetic disorder, is related to frontotemporal dementia and/or amyotrophic lateral sclerosis 7 and inclusion body myopathy with paget disease of bone and frontotemporal dementia, and has symptoms including other symbolic dysfunction An important gene associated with Dyscalculia is CBS (Cystathionine Beta-Synthase), and among its related pathways/superpathways are Prader-Willi and Angelman syndrome and Miscellaneous transport and binding events. Affiliated tissues include parietal lobe and brain, and related phenotype is nervous system.