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Proposals to encode Tamil fractions and symbols to Unicode were submitted. [3] [4] As of version 12.0, Tamil characters used for fractional values in traditional accounting practices were added to the Unicode Standard.
Grouped by their numerical property as used in a text, Unicode has four values for Numeric Type. First there is the "not a number" type. Then there are decimal-radix numbers, commonly used in Western style decimals (plain 0–9), there are numbers that are not part of a decimal system such as Roman numbers, and decimal numbers in typographic context, such as encircled numbers.
Tamil is a Unicode block containing characters for the Tamil, and Saurashtra languages of Tamil Nadu India, Sri Lanka, Singapore, and Malaysia. In its original incarnation, the code points U+0B82..U+0BCD were a direct copy of the Tamil characters A2-ED from the 1988 ISCII standard.
Devanagari is a Unicode block containing characters for writing languages such as Hindi, Marathi, Bodo, Maithili, Sindhi, Nepali, and Sanskrit, among others.In its original incarnation, the code points U+0900..U+0954 were a direct copy of the characters A0-F4 from the 1988 ISCII standard.
TACE16 is faster in sorting over Unicode Tamil by about 0.31 to 16.96 percent. Index creation on TACE16 data is faster by 36.7% than Unicode. For full key search on indexed fields, TACE16 performs better than Unicode Tamil by up to 24.07%. In the case of non-indexed fields, TACE16 performs better than Unicode Tamil by up to 20.9%.
Unicode was designed to provide code-point-by-code-point round-trip format conversion to and from any preexisting character encodings, so that text files in older character sets can be converted to Unicode and then back and get back the same file, without employing context-dependent interpretation.
Because Unicode represents Tamil as an abugida all the pure consonants (consonants with no associated vowel) and syllables in Tamil can be represented by combining multiple Unicode code points, as can be seen in the Unicode Tamil Syllabary below. In Unicode 5.1, named sequences were added for all Tamil consonants and syllables.
Indic Computing means "computing in Indic", i.e., Indian Scripts and Languages.It involves developing software in Indic Scripts/languages, Input methods, Localization of computer applications, web development, Database Management, Spell checkers, Speech to Text and Text to Speech applications and OCR in Indian languages.