Coptic Epact Numbers
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Coptic Epact Numbers is a Unicode block containing Old Coptic number forms.
These numbers were used in some regions instead of letters of the Coptic alphabet that were used for encoding numbers, as was common in much of the world at the time, like Roman numerals. It was used most extensively in the Bohairic dialect of the Coptic language that became the liturgical language of Egyptian Christians. It contains separate characters for each of the digits, 1-9 (0 was not indicated), each of the tens numbers from 10-90, and each of the hundreds numbers from 100-900. Numbers were composed from left-to-right by successively adding the values that each character or digit represented. There is a thousand mark diacritic that multiplies the digit by one thousand (so 5 with thousand mark = 5,000, 900 with thousand mark indicates 900,000) Two of the thousands marks together (visually similar to a tanween al-kasra in Arabic) represents a million in a similar fashion, and mirrors other Coptic conventions of indicating higher orders by repetition of marks.
| Coptic Epact Numbers[1][2] (PDF) | ||||||||||||||||
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | |
| U+102Ex | 𐋠 | 𐋡 | 𐋢 | 𐋣 | 𐋤 | 𐋥 | 𐋦 | 𐋧 | 𐋨 | 𐋩 | 𐋪 | 𐋫 | 𐋬 | 𐋭 | 𐋮 | 𐋯 |
| U+102Fx | 𐋰 | 𐋱 | 𐋲 | 𐋳 | 𐋴 | 𐋵 | 𐋶 | 𐋷 | 𐋸 | 𐋹 | 𐋺 | 𐋻 | ||||
| Notes 1.^ As of Unicode version 17.0 2.^ Grey areas indicate non-assigned code points |
History
The following Unicode-related documents record the purpose and process of defining specific characters in the Coptic Epact Numbers block:
| Version | Final code points | Count | L2 ID | WG2 ID | Document |
|---|---|---|---|---|---|
| 7.0 | U+102E0..102FB | 28 | Pandey, Anshuman (2009-09-15), Proposal to Encode Coptic Numerals in ISO/IEC 10646 | ||
| Pandey, Anshuman (2010-04-10), Towards an Encoding for Coptic Numbers in the UCS | |||||
| Moore, Lisa (2010-05-19), "C.8.1", UTC #123 / L2 #220 Minutes | |||||
| Pandey, Anshuman (2010-06-21), Final Proposal to Encode Coptic Numbers | |||||
| Everson, Michael; Emmel, Stephen (2010-09-08), Towards the encoding of a complete set of Coptic numbers | |||||
| Pandey, Anshuman (2010-11-01), Request to Rename 'Coptic Numbers' to 'Coptic Epact Numerals' | |||||
| Moore, Lisa (2010-11-09), "Consensus 125-C9", UTC #125 / L2 #222 Minutes, Change the block name (for U+102E0 - U+102FF) from "Coptic Numbers" to "Coptic Epact Numbers" and the character names from "Coptic..." to "Coptic Epact..." for range U+102E0 - U+102FF. | |||||
| Lazrek, Azzeddine (2011-01-08), Opposition about encode Coptic Epact numeral system | |||||
| Anderson, Deborah (2011-02-09), Comparison of Coptic Epact vs. Rumi digits | |||||
| Pandey, Anshuman (2011-02-14), Final Proposal to Encode Coptic Epact Numbers | |||||
| Moore, Lisa (2011-02-15), "C.16.1", UTC #126 / L2 #223 Minutes | |||||
| , ) | "M57.16", Unconfirmed minutes of WG2 meeting 57, 2011-03-31 | ||||
| "T.2. Coptic Numbers", Unconfirmed minutes of WG 2 meeting 58, 2012-01-03 | |||||
See also
- Epact – Age of a phase of the moon in days, and method