Dyslexia What is dyslexia and dyscalculia? SUNBIRD EDUCATION CENTRE Dyslexia and other Learning Differences... MORE INFORMATION ABOUT IRLEN SYNDROME  >>> Dyscalculia (or math disability) is a specific learning disability involving innate difficulty in learning or comprehending simple mathematics. It is akin to dyslexia and includes difficulty in understanding numbers, learning how to manipulate numbers, learning math facts, and a number of other related symptoms (although there is no exact form of the disability).  Estimates of the prevalence of dyscalculia range between 3 and 6% of the population.