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The precise origins of the dimensions of US letter-size paper (8.5 × 11 in) are not known. The American Forest & Paper Association says that the standard US dimensions have their origin in the days of manual papermaking, the 11-inch length of the standard paper being about a quarter of "the average maximum stretch of an experienced vatman's arms". [2]
In 1992, the American National Standards Institute adopted ANSI/ASME Y14.1 Decimal Inch Drawing Sheet Size and Format, [1] which defined a regular series of paper sizes based upon the de facto standard 8 + 1 ⁄ 2 in × 11 in "letter" size to which it assigned the designation "ANSI A". This series also includes "ledger"/"tabloid" as "ANSI B".
For example, ANSI A is less elongated than A4, while ANSI B is more elongated than A3. The Canadian standard CAN2 9.60-M76 and its successor CAN/CGSB 9.60-94 "Paper Sizes for Correspondence" specified paper sizes P1 through P6, which are the U.S. paper sizes rounded to the nearest 5 mm. [ 32 ] All custom Canadian paper size standards were ...
The document kind classification code consists of three code-letters A1, A2, A3, with the prefix "&". A1 Letter code for technical area class; A2 Letter code for main class; A3 Letter code for sub-class; The letter code A1 is optional, if all documents are from the same technical area. The letter codes A2 and A3 are identical for all technical ...
[citation needed] A4 ("metric") paper is easier to obtain in the US than US letter can be had elsewhere. [ citation needed ] . The ISO 216:2007 is the current international standard for paper sizes , including writing papers and some types of printing papers.
The phrase ANSI character set has no well-defined meaning and has been used to refer to the following, among other things: Windows code pages , a collection of 8-bit character sets compatible with ASCII but incompatible with each other, especially those code pages that are partly compatible with ISO-8859, most commonly Windows Latin 1
A letter v (Latin small letter v) written on a line representing a surface is a way to indicate that the surface is to be machined rather than left in the as-cast or as-forged state. The older symbol for this was a small script (italic) f (see herein f). Later the ASA convened upon a letter V (specifically a sans-serif V) touching the surface ...
A code point is a value or position of a character in a coded character set. [10] A code space is the range of numerical values spanned by a coded character set. [10] [12] A code unit is the minimum bit combination that can represent a character in a character encoding (in computer science terms, it is the word size of the character encoding).