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  2. Ordinal numeral - Wikipedia

    en.wikipedia.org/wiki/Ordinal_numeral

    For multiples of ten, the same principle applies, with terminal -y changed to -ieth, as "sixtieth". For other numbers, the elements of the cardinal number are used, with the last word replaced by the ordinal: 23 → "twenty-third"; 523 → "five hundred twenty-third" ( British English : "five hundred and twenty-third").

  3. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    The sum 31 multiplied by 16 (the 5th term in the series) equals 496, which is a perfect number. Book IX, Proposition 35, proves that in a geometric series if the first term is subtracted from the second and last term in the sequence, then as the excess of the second is to the first—so is the excess of the last to all those before it.

  4. Exponentiation - Wikipedia

    en.wikipedia.org/wiki/Exponentiation

    Powers of 2 appear in set theory, since a set with n members has a power set, the set of all of its subsets, which has 2 n members. Integer powers of 2 are important in computer science. The positive integer powers 2 n give the number of possible values for an n-bit integer binary number; for example, a byte may take 2 8 = 256 different values.

  5. Huh? Here's Exactly What 'HEA' Means in a Book - AOL

    www.aol.com/lifestyle/huh-heres-exactly-hea...

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  6. Fifth power (algebra) - Wikipedia

    en.wikipedia.org/wiki/Fifth_power_(algebra)

    In arithmetic and algebra, the fifth power or sursolid [1] of a number n is the result of multiplying five instances of n together: n 5 = n × n × n × n × n. Fifth powers are also formed by multiplying a number by its fourth power, or the square of a number by its cube. The sequence of fifth powers of integers is:

  7. DSM-5 - Wikipedia

    en.wikipedia.org/wiki/DSM-5

    Beginning with the fifth edition, it is intended that diagnostic guideline revisions will be added incrementally. [49] The DSM-5 is identified with Arabic rather than Roman numerals, marking a change in how future updates will be created. Incremental updates will be identified with decimals (DSM-5.1, DSM-5.2, etc.), until a new edition is ...

  8. Five Ways (Aquinas) - Wikipedia

    en.wikipedia.org/wiki/Five_Ways_(Aquinas)

    For example, for the fifth Way, Dawkins places it in the same position for his criticism as the watchmaker analogy, when in fact, according to Ward, they are vastly different arguments. Ward defended the utility of the five ways (for instance, on the fourth argument he states that all possible smells must pre-exist in the mind of God, but that ...

  9. The Number Devil - Wikipedia

    en.wikipedia.org/wiki/The_Number_Devil

    Robert is a young boy who suffers from mathematical anxiety due to his boredom in school. His mother is Mrs. Wilson. He also experiences recurring dreams—including falling down an endless slide or being eaten by a giant fish—but is interrupted from this sleep habit one night by a small devil creature who introduces himself as the Number Devil.