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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.
A PDF page description can use a matrix to scale, rotate, or skew graphical elements. A key concept in PDF is that of the graphics state, which is a collection of graphical parameters that may be changed, saved, and restored by a page description. PDF has (as of version 2.0) 25 graphics state properties, of which some of the most important are:
View history; Tools. Tools. move to sidebar hide. Actions Read; ... Download as PDF; Printable version; ... Games and sports introduced in 1966 (2 C, 3 P) I.
1966 was a common year starting on Saturday of the Gregorian calendar, the 1966th year of the Common Era (CE) and Anno Domini (AD) designations, the 966th year of the 2nd millennium, the 66th year of the 20th century, and the 7th year of the 1960s decade.
Download as PDF; Printable version; In other projects Wikimedia Commons; ... 1966 in economic history (6 C, 2 P) 1966 in education (5 C, 3 P) 1966 in the environment ...
I invented an automated system with an encrypted card and a pin number, and that's the one that is used around the world today," he said. [4] Despite being appointed an OBE in the 2006 Queen's Birthday Honours for his invention of the personal identification number, [ 7 ] Goodfellow has publicly commented on the lack of recognition and ...
September 1 – While waiting at a bus stop Ralph H. Baer, an inventor with Sanders Associates in the United States, writes a four-page document that lays out the basic principles for creating a video game to be played on a television: the beginning of a multibillion-dollar industry.
On 9 June 2003, Wikipedia's ISBN interface was amended to make ISBNs in articles link to Special:Booksources, which fetches its contents from the user-editable page Wikipedia:Book sources. Before this, ISBN link targets were coded into the software and new ones were suggested on the Wikipedia:ISBN page. See the edit that changed this.