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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]
It has the height of Canadian P4 paper (215 mm × 280 mm, about 8 + 1 ⁄ 2 in × 11 in) and the width of international A4 paper (210 mm × 297 mm or 8.27 in × 11.69 in), i.e. it uses the smaller value among the two for each side. The table shows how this format can be generalized into an entire format series.
The alternative Super series, denoted SnR, nR Plus or nR+, has an aspect ratio of 3∶2 (or as close as possible) and thus provides a better fit for standard 135 film (35 mm) at sizes of 8 inches or above. 5R is twice the size of a 2R print, 6R twice the size of a 4R print and S8R twice the size of 6R. 4D/6D is a newer size for most consumer ...
Sam Loyd's chessboard paradox demonstrates two rearrangements of an 8×8 square. In the "larger" rearrangement (the 5×13 rectangle in the image to the right), the gaps between the figures have a combined unit square more area than their square gaps counterparts, creating an illusion that the figures there take up more space than those in the ...
From January 2008 to December 2012, if you bought shares in companies when Reuben V. Anderson joined the board, and sold them when he left, you would have a -7.1 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
A geomagnetic storm watch has been issued by the National Oceanic and Atmospheric Administration's Space Weather Prediction Center, meaning the northern lights -- or aurora borealis -- could be ...
Image credits: onepersononeidea As of 2023/2024, close to 146 million people in the US alone shared their home with a pet, Statista reports.Out of them, the majority (as many as 65 million) lived ...
Your brain health matters! BrainHQ rewires the brain so you can think faster, focus better, and remember more. And that helps people feel happier, healthier, and more in control.