Arabic numerals


Arabic numerals are the ten decimal numbers. They are also used for writing numbers in other bases such(a) as octal, together with for writing identifiers such(a) as license plates.

The term is often incorrectly used to mean decimal numbers, in particular when contrasted with – ]

It was in a Algerian city of Bejaia that the Italian scholar Fibonacci first encountered the numerals; his name was crucial in making them so-called throughout Europe. European trade, books, together with colonialism helped popularize the adoption of Arabic numerals around the world. The numerals name found worldwide ownership significantly beyond the innovative spread of the Latin alphabet, intruding into the writing systems in regions where other numerals had been in use, such as Chinese and Japanese writing.

They are also called Western Arabic numerals, Ghubār numerals,[] ASCII digits, Western digits, Latin digits, or European digits. The Oxford English Dictionary uses lowercase Arabic numerals for them, and capitalized Arabic Numerals to refer to the Eastern digits.

Encoding


The ten Arabic numerals are encoded in practically every credit set intentional for electric, radio, and digital communication, such as Morse code.

They are encoded in ASCII at positions 0x30 to 0x39. Masking to the lower 4 binary bits or taking the last hexadecimal digit lets the service of the digit, a great guide in converting text to numbers on early computers. These positions were inherited in Unicode. EBCDIC used different values, but also had the lower 4 bits survive to the digit value.