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PDF files may contain a variety of content besides flat text and graphics including logical structuring elements, interactive elements such as annotations and form-fields, layers, rich media (including video content), three-dimensional objects using U3D or PRC, and various other data formats.
PDF/A is an ISO -standardized version of the Portable Document Format (PDF) specialized for use in the archiving and long-term preservation of electronic documents. PDF/A differs from PDF by prohibiting features unsuitable for long-term archiving, such as font linking (as opposed to font embedding) and encryption. [1]
The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008. Since then, it has been under the control of an International Organization for Standardization (ISO) committee of industry experts.
In probability theory, a probability density function (PDF), density function, or density of an absolutely continuous random variable, is a function whose value at any given sample (or point) in the sample space (the set of possible values taken by the random variable) can be interpreted as providing a relative likelihood that the value of the ...
Foxit PDF Reader (formerly Foxit Reader) is a multilingual freemium PDF (Portable Document Format) tool that can create, view, edit, digitally sign, and print PDF files. [3] Foxit Reader is developed by Fuzhou, China-based Foxit Software.
Adobe Acrobat is a family of application software and web services developed by Adobe Inc. to view, create, manipulate, print and manage Portable Document Format (PDF) files. [17] The family comprises Acrobat Reader (formerly Reader), Acrobat (formerly Exchange) and Acrobat.com.
On 1 June, a PDF fighter shot two soldiers, killing one, outside of a high school that had been forced to re-open by junta authorities despite a nationwide boycott of government-run schools. The leader of the PDF in Mandalay, Bo Nat Khat, also claimed responsibility for
The probability that a normally distributed variable X {\textstyle X} with known μ {\textstyle \mu } and σ 2 {\textstyle \sigma ^ {2}} is in a particular set, can be calculated by using the fact that the fraction Z = (X − μ) / σ {\textstyle Z= (X-\mu )/\sigma } has a standard normal distribution.
The PDF/E Standard specifies how the Portable Document Format (PDF) should be used for the creation of documents in engineering workflows. Key benefits of PDF/E include: Reduces requirements for expensive & proprietary software; Lower storage and exchange costs (vs. paper) Trustworthy exchange across multiple applications and platforms; Self ...
The purpose of a definition is to explain the meaning of a term which may be obscure or difficult, by the use of terms that are commonly understood and whose meaning is clear. The violation of this rule is known by the Latin term obscurum per obscurius .
