I did not read the entire thread, but, when people run out of material for writing books, they then, try to make math about race, it seems. She does not know what the Hindu-Arabic numeral system is.
https://en.wikipedia.org/wiki/Hindu–Arabic_numeral_system
It is quite possible to be deeply ignorant if one is never taught about it in the textbooks that the elementary schools she went to used. It is also possible to be so ignorant if one is completely lacking in curiosity to do a simple Wiki lookup of what the origin of the number system she uses is. Certainly, no "whiteness" in its origin that I know of.
