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The numerals themselves were referred to in the west as ashkāl al‐ghubār 'dust figures' or qalam al-ghubår 'dust letters'. [10] Al-Uqlidisi later invented a system of calculations with ink and paper 'without board and erasing' ( bi-ghayr takht wa-lā maḥw bal bi-dawāt wa-qirṭās ).
The Abjad numerals are a decimal numeral system in which the 28 letters of the Arabic alphabet are assigned numerical values. From Wikipedia, the free encyclopedia.
The Eastern Arabic numerals, also called Indo-Arabic numerals or Arabic-Indic numerals as known by Unicode, are the symbols used to represent numerical digits in conjunction with the Arabic alphabet in the countries of the Mashriq (the east of the Arab world), the Arabian Peninsula, and its variant in other countries that use the Persian numerals on the Iranian plateau and in Asia.
Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone number dialing prefixes for reaching subscribers in foreign countries or areas via international telecommunication networks.
1. "Tombstone and grave of Matmat," 2. "son of Zurubbat, those of 'Ah-" 3. "nas, her of the father of Sa'ad-" 4. "ab.." (Dr. A. Jamme) Qaryat al-Fāw: Wadi ad-Dawasir, Nejd: 1st century BC 10 lines in Arabic Epigraphic South Arabian alphabets A tomb dedicatory and a prayer to Lāh, Kāhil and ʻAṯṯār to protect the tomb:
The current plates were introduced in 2006. The former registration plates prior to 1996 used only 3 numbers and 3 letters with no translation. Even older license plates had a 7-number combination assigned to them, appearing in Arabic (International) and Hindi (East Arab) numerals. Above them was written Al-Saudia, in Arabic only.
The Natural Area Code, this is the smallest base such that all of 1 / 2 to 1 / 6 terminate, a number n is a regular number if and only if 1 / n terminates in base 30. 32: Duotrigesimal: Found in the Ngiti language. 33: Use of letters (except I, O, Q) with digits in vehicle registration plates of Hong Kong. 34
To put in perspective the size of a googol, the mass of an electron, just under 10 −30 kg, can be compared to the mass of the visible universe, estimated at between 10 50 and 10 60 kg. [5] It is a ratio in the order of about 10 80 to 10 90 , or at most one ten-billionth of a googol (0.00000001% of a googol).