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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

  3. PS Power and Sample Size - Wikipedia

    en.wikipedia.org/wiki/PS_Power_and_Sample_Size

    The program can generate graphs of the relationships between power, sample size and the detectable alternative hypothesis. It can plot graphs of any two of these variables while holding the third constant. Linear or logarithmic axes may be used and multiple curves can be plotted on each graph. Graphs may be copied and pasted into other ...

  4. ISO/IEC 7813 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_7813

    ISO/IEC 7813. ISO/IEC 7813 is an international standard codified by the International Organization for Standardization and International Electrotechnical Commission that defines properties of financial transaction cards, such as ATM or credit cards. [ 1]

  5. List of Internet top-level domains - Wikipedia

    en.wikipedia.org/wiki/List_of_Internet_top-level...

    Name: DNS name; Target market: intended use; Restrictions: restrictions, if any, on who can register, and how the domain can be used; Operator: entity the registry has been delegated to; IDN: support for internationalized domain names (IDN) DNSSEC: presence of DS records for Domain Name System Security Extensions

  6. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined ...

  7. List of playing-card nicknames - Wikipedia

    en.wikipedia.org/wiki/List_of_playing-card_nicknames

    This list of playing card nicknames shows the nicknames of playing cards in a standard 52-card pack. Some are generic while some are specific to certain card games; others are specific to patterns, such as the courts of French playing cards for example, which often bear traditional names.

  8. List of most popular given names - Wikipedia

    en.wikipedia.org/wiki/List_of_most_popular_given...

    The most popular given names vary nationally, regionally, and culturally.Lists of widely used given names can consist of those most often bestowed upon infants born within the last year, thus reflecting the current naming trends, or else be composed of the personal names occurring most often within the total population.

  9. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS. It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA). Excel forms part of the Microsoft 365 suite of software.