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  2. R-value (insulation) - Wikipedia

    en.wikipedia.org/wiki/R-value_(insulation)

    The R-value (in K ⋅ m 2/ W) is a measure of how well a two-dimensional barrier, such as a layer of insulation, a window or a complete wall or ceiling, resists the conductive [ 2] flow of heat, in the context of construction. [ 3]. R-value is the temperature difference per unit of heat flux needed to sustain one unit of heat flux between the ...

  3. Windows System Assessment Tool - Wikipedia

    en.wikipedia.org/wiki/Windows_System_Assessment_Tool

    A sample test result from a PC running Windows 8. The Windows System Assessment Tool ( WinSAT) is a module of Microsoft Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, and Windows 11 that is available in the Control Panel under Performance Information and Tools (except in Windows 8.1, Windows 10, and Windows 11 ).

  4. Performance indicator - Wikipedia

    en.wikipedia.org/wiki/Performance_indicator

    A performance indicator or key performance indicator ( KPI) is a type of performance measurement. [ 1] KPIs evaluate the success of an organization or of a particular activity (such as projects, programs, products and other initiatives) in which it engages. [ 2] KPIs provide a focus for strategic and operational improvement, create an ...

  5. Windows 10 version history - Wikipedia

    en.wikipedia.org/wiki/Windows_10_version_history

    Windows 10 is a major release of the Windows NT operating system developed by Microsoft.Microsoft described Windows 10 as an "operating system as a service" that would receive ongoing updates to its features and functionality, augmented with the ability for enterprise environments to receive non-critical updates at a slower pace or use long-term support milestones that will only receive ...

  6. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  7. List of Microsoft Windows versions - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft_Windows...

    A "personal computer" version of Windows is considered to be a version that end-users or OEMs can install on personal computers, including desktop computers, laptops, and workstations. The first five versions of Windows– Windows 1.0, Windows 2.0, Windows 2.1, Windows 3.0, and Windows 3.1 –were all based on MS-DOS, and were aimed at both ...

  8. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    In the figure, Excel is used to find the smallest root of the quadratic equation x 2 + bx + c = 0 for c = 4 and c = 4 × 10 5. The difference between direct evaluation using the quadratic formula and the approximation described above for widely spaced roots is plotted vs. b.

  9. Template:Windows 10 versions - Wikipedia

    en.wikipedia.org/wiki/Template:Windows_10_versions

    Windows 10 versions. ^ General Availability Channel, formerly Semi-Annual Channel (SAC) and Current Branch (CB). ^ Long-Term Servicing Channel, formerly Long-Term Servicing Branch (LTSB). ^ Mainstream support ended on October 13, 2020. ^ Supplemental servicing for Enterprise and Education editions. ^ a b January 10, 2023 for Intel Clover Trail ...