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The Abjad numerals are a decimal Numeral System which was used in the Arabic -speaking world prior to the use of the Hindu-Arabic Numeral s from the 8th Century , and in parallel with the latter until Modern times. In the Abjad system, the 28 letters of the Arabic alphabet are assigned numerical values, based on the '''Abjadi order'''. For example, the first letter of the Arabic alphabet, Alif , is used to represent 1; the second letter, , is used to represent 2, etc. Individual letters also represented 10's and 100's: for 10, for 20, for 100, etc. The word "abjad" ( ') itself derives from the beginning of the order of the letters in the , the word ' means " Alphabet " in general. ABJADI ORDER The Abjad order of the Arabic Alphabet (or two slightly variant orders) was devised by matching an Arabic letter of the fully consonant-dotted 28-letter Arabic alphabet to each of the 22 letters of the Aramaic Alphabet (in their old Phoenician alphabetic order) — leaving six remaining Arabic letters at the end. The Abjadi order is not a simple historically-continuous preservation of the earlier north Semitic alphabetic order, since it contains a position corresponding to the Aramaic letter '' Samekh ''/''semkat'' , yet no letter of the Arabic alphabet historically derives from . Loss of samekh was compensated by the split of Shin into two independent Arabic letters, and . The most common Abjad sequence is: : : This is commonly vocalized as follows:
Another vocalization is: Another Abjad sequence (probably older, now mainly confined to the Maghreb), is: : : which can be vocalized as: Modern dictionaries etc. ''never'' use any of the above orders to order things alphabetically; instead, this newer order (with letters partially grouped together by similarity of Arabic cursive shape) is used: : : USES OF THE ABJAD SYSTEM In early Islamic times, these numbers were used by mathematicians. In modern Arabic, they are primarily used for numbering small quantities, such as items in a list. They are also used to assign numerical values to Arabic words for purposes of Numerology . Example: The common Islamic phrase بسم الله الرحمن الرحيم ''bi-smi-llaahi r-rahmaani r-rahiim'' ("in the name of God, the merciful, the compassionate" – see Basmala ) would have a nominal value of 786 (from a letter-by-letter cumulative value of 2+60+40 + 1+30+30+5 + 1+30+200+8+40+50 + 1+30+200+8+10+40), where the word " Allah " (God) alone has the value 66. Despite no longer being used as the standard order of the alphabet, the Abjadi order is still used in things such as lists and Outline s where a Ordinal system of designating points of information or questions other than numbers is required. In other words, whereas a list in English might call its first point "A" its next point "B", its next point "C", then "D", then "E" and so on down to "Z", even today a list in Arabic would typically call its first point "", then "", then "", "", "" and so on down to "", rather than "", "", "", "", "", and so on down to "", as the modern order might suggest. LETTER VALUES (A few of the numerical values would be different when the alternative order of the abjad is used — see ''Abjadi order'' above.) SIMILAR SYSTEMS The Hebrew Numerals are equivalent to the Abjadi numerals up to 400. The Greek Numerals differ from the Abjadi ones from 90 upwards because in the Greek Alphabet there is no equivalent for ''ṣād'' (ص). (The counting system using the Hebrew alphabet is known as Gematria and figures highly in Kabalistic texts and numerology. The Greek Language also has a similar historic system of letters-as-numbers called Isopsephy .) SEE ALSO EXTERNAL LINKS |
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