TIL Europeans called them "Arabic" numerals because they were in use in parts of the Arab world and popularized by a Persian mathematician (who called them "Hin

TIL Europeans called them "Arabic" numerals because they were in use in parts of the Arab world and popularized by a Persian mathematician (who called them "Hindu numerals") I also wasn't aware that they are a relatively recent invention from somewhere between 1st-4th century.