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
Roman numerals Arabic numerals being used for divisions and armies. In music, Roman numerals are used in several contexts: In pharmacy, Roman numerals are used in some contexts, including to denote "one half" and to mean "nothing". (See the sections below on "zero" and "fractions".) In photography, Roman numerals (with zero) are used to denote varying levels of brightness when using the Zone System. In seismology, Roman numerals are used to designate degrees of the Mercalli intensity scale of earthquakes. In sport the team containing the "top" players and representing a club or a school at the highest level in (say) rugby