This dimension marks whether a computing system is still actively developed, discontinued or superseded. Wikipedia notes that "as of November 2025, Android is the most popular operating system, with a 38% market share," a ranking that shifts as some systems keep growing while others fall out of active use. Browsing by status separates systems still current from those no longer maintained.
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Era of Emergence Discontinued
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1. Wikipedia: Pascaline
WikipediaPascaline, lead sectionQuote, Pascaline, lead section
The Pascaline (also known as the arithmetic machine or Pascal's calculator) is a mechanical calculator invented by Blaise Pascal in 1642.
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