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A unit of time is any particular time interval, used as a standard way of measuring or expressing duration. The base unit of time in the International System of Units (SI), and by extension most of the Western world , is the second , defined as about 9 billion oscillations of the caesium atom.
The second is the International System of Units (SI) unit of time duration. It is also the standard single-unit time representation in many programming languages, most notably C, and part of UNIX/POSIX standards used by Linux, Mac OS X, etc.; to convert fractional days to fractional seconds, multiply the number by 86400.
Using the JavaScript script ASCIIMathML.js, AsciiMath notation is converted to MathML at the time the page is loaded by the browser, natively in Mozilla Firefox, Safari, and via a plug-in in IE7. The simplified markup language supports a subset of the LaTeX language instructions, as well as a less verbose syntax (which, for example, replaces ...
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.
This allows MathJax to run in any browser with JavaScript support, including mobile devices. [17] MathJax can display math by using a combination of HTML and CSS or by using the browser's native MathML support, when available. The exact method MathJax uses to typeset math is determined by the capabilities of the user's browser, fonts available ...
These time units can be added to a date: y years; m months; d days; h hours; min minutes; s seconds; Multiple periods can be given, separated by spaces. There must be no space between a value and the code for the time unit. A hyphen can be used for a negative value. Periods are added in the order given. Examples: {{extract|2004-04-03|add=28d ...
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This page was last edited on 17 February 2010, at 15:03 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.