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Elna's drop-in rotary hook runs with little movement or noise, unlike oscillating shuttle machines popular at the time, which require a bobbin case and vibrate at high speeds due to air resistance. Casas also recognized that "when a woman finishes sewing she wants to get the machine out of the way," [ 4 ] so Elna was designed to be portable and ...
The R programming language can be used for creating Wikipedia graphs. The Google Chart API allows a variety of graphs to be created. Livegap Charts creates line, bar, spider, polar-area and pie charts, and can export them as images without needing to download any tools. Veusz is a free scientific graphing tool that can produce 2D and 3D plots ...
A candlestick chart (also called Japanese candlestick chart or K-line) is a style of financial chart used to describe price movements of a security, derivative, or currency. While similar in appearance to a bar chart, each candlestick represents four important pieces of information for that day: open and close in the thick body, and high and ...
A Pareto chart is a type of chart that contains both bars and a line graph, where individual values are represented in descending order by bars, and the cumulative total is represented by the line. The chart is named for the Pareto principle , which, in turn, derives its name from Vilfredo Pareto , a noted Italian economist.
This chart is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship. For more information, see Commons:Threshold of originality § Charts
Line chart showing the population of the town of Pushkin, Saint Petersburg from 1800 to 2010, measured at various intervals. A line chart or line graph, also known as curve chart, [1] is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments. [2]
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Elna Co. Ltd is a Japanese manufacturer of electrolytic and electric double layer capacitors. It also produces custom printed circuit boards for OEM use. The company took on the name "Elna" when it acquired Elna Electronics Co. in March 1968. However, the company was established in 1937, though not under the name "Elna".