> Since he couldn't process numbers in any useful manner I don't think this is true, because the article says: > Yet he could still do mental arithmetic and p

> Since he couldn't process numbers in any useful manner I don't think this is true, because the article says: > Yet he could still do mental arithmetic and perform other mathematical operations. > He eventually mastered an entirely new digit system (where ⌊ stood for 2, ⌈ for 8, etc.); determined to keep working, he had his computer rigged to present the new numerals onscreen. That suggests to me that he could indeed process numbers, but just couldn't see them