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By default, the output value is rounded to adjust its precision to match that of the input. An input such as 1234 is interpreted as 1234 ± 0.5, while 1200 is interpreted as 1200 ± 50, and the output value is displayed accordingly, taking into account the scale factor used in the conversion.
The following table is adapted from the scale of the American Library Association, [1] [9] which uses a basis sheet of 19-by-25-inch (483 by 635 mm) [10] which is, confusingly if not explained by the source, half the text/book stock sheet of 25-by-38-inch (635 by 965 mm), and in which size refers to the dimensions of the cover (trimmed pages ...
The most used of this series is the size A4, which is 210 mm × 297 mm (8.27 in × 11.7 in) and thus almost exactly 1 ⁄ 16 square metre (0.0625 m 2; 96.8752 sq in) in area. For comparison, the letter paper size commonly used in North America ( 8 + 1 ⁄ 2 in × 11 in; 216 mm × 279 mm) is about 6 mm ( 0.24 in ) wider and 18 mm ( 0.71 in ...
These 2-digit codes are based upon A4 = "11": The first digit is the factor the longer side (297 mm) is multiplied by and the second digit is the one for the shorter side (210 mm), so "24" is 2×297 mm × 4×210 mm = 594 mm × 840 mm.
[2] [4] From 1912 to 1973 Graflex produced large format and medium format press cameras in film formats from 2 + 1 ⁄ 4 by 3 + 1 ⁄ 4 inches (57 mm × 83 mm) to 4 by 5 inches (100 mm × 130 mm) . [5] They also produced rangefinder, SLR and TLR cameras in a variety of formats ranging from 35mm to 5 by 7 inches (130 mm × 180 mm). [4]
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2 + 1 ⁄ 4 × 3 + 1 ⁄ 4 in 2 + 1 ⁄ 4 × 2 + 1 ⁄ 4 in 2 + 1 ⁄ 4 × 1 + 5 ⁄ 8 in 60 × 70 mm 18 21 24–27 30–33 2.4-inch (60.96 mm) stock, unperforated, no backing paper Twice as long as 12F Final films in 220 were professional films for commercial/wedding photography; Kodak Portra (2015) and Fujifilm Colour Negative and Reversal ...
The tickets were printed on card cut to 1 + 7 ⁄ 32 by 2 + 1 ⁄ 4 inches (31.0 by 57.2 mm), with a nominal thickness of 1 ⁄ 32 inch (0.79 mm). The whole system, from printing to bulk storage to ticket racks, dating and issue, was based on these measurements.