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  2. Sumatra PDF - Wikipedia

    en.wikipedia.org/wiki/Sumatra_PDF

    Sumatra has a minimalist design, with its simplicity attained at the cost of extensive features. For rendering PDFs, it uses the MuPDF library. [4]Sumatra was designed for portable use, as it consists of one file with no external dependencies, making it usable from an external USB drive, needing no installation. [5]

  3. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    A PDF creator and virtual PDF printer for Microsoft Windows PDF-XChange: Proprietary: Yes: PDF Tools allows creation of PDFs from many types of source input (images, scans, etc.). The PDF-XChange print driver allows printing directly to a PDF. A "lite" version of the print driver is free for non-commercial (home and academic) use. PrimoPDF ...

  4. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    The files are then exported in PDF 1.3 format according to the file header. When taking a screenshot under Mac OS X versions 10.0 through 10.3, the image was also captured as a PDF; later versions save screen captures as a PNG file, though this behavior can be set back to PDF if desired.

  5. PDF24 Creator - Wikipedia

    en.wikipedia.org/wiki/PDF24_Creator

    The commands sent are then used to create a PDF file. PDF24 Creator uses PDFBox , QPDF and Ghostscript , which are automatically installed as a private instances for the PDF24 Creator. After printing a document on the PDF printer, a wizard opens automatically, where the created PDF file can be edited or further worked on.

  6. PDFtk - Wikipedia

    en.wikipedia.org/wiki/Pdftk

    PDFtk (short for PDF Toolkit) is a toolkit for manipulating Portable Document Format (PDF) documents. [ 3 ] [ 4 ] It runs on Linux , Windows and macOS . [ 5 ] It comes in three versions: PDFtk Server ( open-source command-line tool ), PDFtk Free ( freeware ) and PDFtk Pro ( proprietary paid ). [ 2 ]

  7. doPDF - Wikipedia

    en.wikipedia.org/wiki/DoPDF

    Once installed, doPDF is accessed by selecting the doPDF printer from the print menu or dialog of any Windows application that can print. The application then asks the user where to save the document, prints it as a PDF file and opens it in the user's default PDF viewer. [7] Writing on Download.com, reviewer Seth Rosenblatt said of doPDF 6.2.301:

  8. False positives and false negatives - Wikipedia

    en.wikipedia.org/wiki/False_positives_and_false...

    The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present. The false positive rate is equal to the significance level. The specificity of the test is equal to 1 minus the false positive rate.

  9. Four-valued logic - Wikipedia

    en.wikipedia.org/wiki/Four-valued_logic

    The four values are 1, 0, Z and X. 1 and 0 stand for Boolean true and false, Z stands for high impedance or open circuit and X stands for don't care (e.g., the value has no effect). This logic is itself a subset of the 9-valued logic standard called IEEE 1164 and implemented in Very High Speed Integrated Circuit Hardware Description Language ...