In addition to the ten digits, seven-segment displays can be used to show most letters of the Latin, Cyrillic and Greek alphabets including punctuation. ^ Grey areas indicate non-assigned code points Official Unicode Consortium code chart (PDF) In Unicode 13.0, 10 codepoints had been given for segmented digits 0–9 in the Symbols for Legacy Computing block: CDEG ( ) is occasionally encountered on older calculators to represent 0. Although EF ( ) could also be used to represent digit 1, this seems to be rarely done if ever. Two basic conventions are in common use for some Arabic numerals: display segment A is optional for digit 6 ( / ), segment F for 7 ( / ), and segment D for 9 ( / ). Unicode provides encoding codepoint for segmented digits in Unicode 13.0 in Symbols for Legacy Computing block. Such representation of characters is not standardized by any relevant entity (e.g. The topic of seven-segment display character representations revolves around the various shapes of numerical digits, letters, and punctuation devisable on seven-segment displays. The individual segments of a seven-segment display.
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