Dyscalculia

Dyscalculia - A personal account of the mathematical learning disability.
www.dozenlilacs.com/A%20Dozen%20Lilacs%20In%20A%20Shoebox/Dyscalculia.html

Dyscalculia or Acalculia - Symptoms, causes, and resources available for dyscalculia.
www.as.wvu.edu/~scidis/dyscalcula.html

Dyscalculia.org - Information, symptoms, diagnosis, techniques, and other resources for people who have math disabilities.
www.dyscalculia.org/#Dyscalculia