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  2. Checkbox - Wikipedia

    en.wikipedia.org/wiki/Checkbox

    A checkbox (check box, tickbox, tick box) is a graphical widget that allows the user to make a binary choice, i.e. a choice between one of two possible mutually exclusive options. For example, the user may have to answer 'yes' (checked) or 'no' (not checked) on a simple yes/no question .

  3. IB Group 4 subjects - Wikipedia

    en.wikipedia.org/wiki/IB_Group_4_subjects

    24] The computer science course was recently updated and moved from Group 5 (as an elective course) to Group 4, becoming a full course, from first examinations in 2014. The structure and assessment of the course has changed to greater emphasize problem solving rather than Java program construction. [ 25 ]

  4. Boolean data type - Wikipedia

    en.wikipedia.org/wiki/Boolean_data_type

    Common Lisp uses an empty list for false, and any other value for true. The C programming language uses an integer type, where relational expressions like i > j and logical expressions connected by && and || are defined to have value 1 if true and 0 if false, whereas the test parts of if, while, for, etc., treat any non-zero value as true.

  5. 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.

  6. Regula falsi - Wikipedia

    en.wikipedia.org/wiki/Regula_falsi

    First, guess that x = 4 to obtain, on the left, 4 + ⁠ 4 / 4 ⁠ = 5. This guess is a good choice since it produces an integer value. This guess is a good choice since it produces an integer value. However, 4 is not the solution of the original equation, as it gives a value which is three times too small.

  7. Group 4 (motorsport) - Wikipedia

    en.wikipedia.org/wiki/Group_4_(motorsport)

    Group 4 referred to regulations for sportscars and grand touring (GT) cars used in racing and rallying, as regulated by the FIA. The group was introduced in 1954 and was replaced by Group B for the 1982 season. BMW M1 Procar, used in the M1 Procar Championship. These cars were designed and built to FIA Group 4 racing specifications.

  8. False positive rate - Wikipedia

    en.wikipedia.org/wiki/False_positive_rate

    The false positive rate is calculated as the ratio between the number of negative events wrongly categorized as positive (false positives) and the total number of actual negative events (regardless of classification). The false positive rate (or "false alarm rate") usually refers to the expectancy of the false positive ratio.

  9. Check mark - Wikipedia

    en.wikipedia.org/wiki/Check_mark

    One of the earliest usages of a check mark as an indication of completion is on ancient Babylonian tablets "where small indentations were sometimes made with a stylus, usually placed at the left of a worker's name, presumably to indicate whether the listed ration has been issued." [2] As a verb, to check (off) means to add such a mark.