Eastern Arabic numerals
|Hindu–Arabic numeral system|
|Positional systems by base|
|Non-standard positional numeral systems|
|List of numeral systems|
The Eastern Arabic numerals (also called Arabic–Indic numerals and Arabic Eastern numerals) are the symbols used to represent the Hindu–Arabic numeral system, in conjunction with the Arabic alphabet in the countries of the Mashriq (the east of the Arab world) and its variant in other countries that use the Perso-Arabic script in Asia.
These numbers are known as أرقام هندية ("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 U+06F9.
Written numerals are arranged with their lowest-value digit to the right, with higher value positions added to the left. That is identical to the arrangement used by Western texts using Hindu-Arabic numerals even though Arabic script is read from right to left. There is no conflict unless numerical layout is necessary, as is the case for arithmetic problems (as in simple addition or multiplication) and lists of numbers, which tend to be justified at the decimal point or comma.
In North Africa, excluding Egypt and Sudan, Western Arabic numerals (0, 1, 2, 3, 4, 5, 6, 7, 8 and 9) are used. In mediaeval times, a slightly different set (from which, via Italy, Western "Arabic numerals" derive) was used.
- "Glossary of Unicode terms". Retrieved 2 September 2015.
- "Glossary". Retrieved 2 September 2015.
- Menninger, Karl (1992). Number words and number symbols: a cultural history of numbers. Courier Dover Publications. p. 415. ISBN 0-486-27096-3.
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