Dyscalculia

A specific learning disorder that affects the ability to acquire, understand, and manipulate numerical and mathematical concepts. People with dyscalculia may have difficulty with number sense, memorizing arithmetic facts, performing calculations, and understanding mathematical reasoning. It is estimated to affect 3-7% of the population and frequently co-occurs with dyslexia. For digital accessibility, dyscalculia highlights the need for clear, unambiguous presentation of numerical information, support for text-to-speech reading of mathematical notation, and alternative representations of quantitative data such as visual aids alongside numerical content.