

Here I present: Ian Stewart, “IN PURSUIT OF THE UNKNOWN: 17 Equations That Changed The World”, 2012. PART NINE (9).
INTRODUCTION.
Numerals.
Numerals’ are elements’ of syntax. Numerals’ are parts of speech: article, noun, pronoun, verb, adverb, adjective, preposition, conjunction, interjection, and numeral.
When numbers 01234’56789 are used subject (S) or object (O) in word-order as SVO and OVS with equal sign and arithmetic-verbs we have “mathematical equations”.
Dyscalculia & Dyslexia.
The terms dyslexia (readless) and dyscalculia (numberless) describe disorders of reading and arithmetic.
The language areas of brain: are the expression, Broca Area and the receptive Wernicke Area.
The “Arcuate Fasciculus” is a nerve fiber bundle connection from Broca to Wernicke Areas.
For those with dyslexia, it has been seen that the fusiform gyrus’ is underactivated and has reduced gray matter density.
The fusiform gyrus’ (shown BELOW) is part of the temporal lobe and occipital lobe in Brodmann Area 37. Recognition of symbols for reading and arithmetic is present normally, but dyslexia and dyscalculia is failures of the Fusiform Gyrus’. Blind and sighted patients use the Fusiform Gyrus’ for recognition of reading and arithmetic symbols.
BENEATH are symbols in the “arithmetic boards” of blind invented by William Taylor. The Fusiform Gyrus’ receives visible and tactile signs that it can recognize as symbols. Braille’ alphabetical symbols are also recognized by the Fusiform Gyrus’.



