Eastern Arabic numerals the medieval-era Iranian mathematician and engineer Khwarazmi, whose name was Latinized as "Algoritmi". These numbers are known as ("Indian numbers") in Arabic. They are sometimes also called "Indic numerals" in English. However, that is sometimes discouraged as it can lead to confusion with Indian numerals, used in Brahmic scripts of India. Each numeral in the Persian variant has a different Unicode point even if it looks identical to the Eastern Arabic numeral counterpart. However the variants used with Urdu, Sindhi, and other South Asian languages are not encoded separately from the Persian variants. See U+0660 through U+0669 and U+06F0 through
Indian numerals Bakhshali Manuscript, written sometime before the 5th century, also included zero. But it is in Khmer numerals of modern Cambodia where the first extant material evidence of zero as a numerical figure, dating its use back to the seventh century, is found. As it was from the Arabs that the Europeans learned this system, the Europeans called them "Arabic numerals;" the Arabs refer to their numerals as "Indian numerals". In academic circles they are called the "Hindu–Arabic" or "Indo–Arabic" numerals. The significance of the development of the positional number system is probably best described by the French mathematician Pierre Simon