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  2. Algebraic operation - Wikipedia

    en.wikipedia.org/wiki/Algebraic_operation

    [8] [9] In programming languages such as Ada, [10] Fortran, [11] Perl, [12] Python [13] and Ruby, [14] a double asterisk is used, so x 2 is written as x ** 2. The plus–minus sign , ±, is used as a shorthand notation for two expressions written as one, representing one expression with a plus sign, the other with a minus sign.

  3. Collatz conjecture - Wikipedia

    en.wikipedia.org/wiki/Collatz_conjecture

    Applying the f function k times to the number n = 2 k a + b will give the result 3 c a + d, where d is the result of applying the f function k times to b, and c is how many increases were encountered during that sequence.

  4. 2 + 2 = 5 - Wikipedia

    en.wikipedia.org/wiki/2_+_2_=_5

    In The Plague (1947), French philosopher Albert Camus declared that times came in history when those who dared to say that 2 + 2 = 4 rather than 2 + 2 = 5 were put to death. Russia Soviet propaganda: The "Arithmetic of an Alternative Plan: 2 + 2 plus the Enthusiasm of the Workers = 5" exhorts the workers of the Soviet Union to realise five ...

  5. Trachtenberg system - Wikipedia

    en.wikipedia.org/wiki/Trachtenberg_system

    Take half of the neighbor, then, if the current digit is odd, add 5. Example: 42×5=210 Half of 2's neighbor, the trailing zero, is 0. Half of 4's neighbor is 1. Half of the leading zero's neighbor is 2. 43×5 = 215 Half of 3's neighbor is 0, plus 5 because 3 is odd, is 5. Half of 4's neighbor is 1. Half of the leading zero's neighbor is 2. 93 ...

  6. History of mathematical notation - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematical...

    Widmann used the minus symbol with the plus symbol to indicate deficit and surplus, respectively. [51] In Summa de arithmetica, geometria, proportioni e proportionalità, [52] Luca Pacioli used plus and minus symbols and algebra, though much of the work originated from Piero della Francesca whom he appropriated and purloined. [citation needed]

  7. Topgolf Callaway Brands (MODG) Q4 2024 Earnings Call Transcript

    www.aol.com/topgolf-callaway-brands-modg-q4...

    At year-end, we had total net debt of $2.3 billion, which, per our usual practice, excludes convertible debt of approximately $258 million compared to $2.2 billion for the same time last year.

  8. Ordinal numeral - Wikipedia

    en.wikipedia.org/wiki/Ordinal_numeral

    This system results in "two thirds" for 2 ⁄ 3 and "fifteen thirty-seconds" for 15 ⁄ 32. This system is normally used for denominators less than 100 and for many powers of 10 . Examples include "six ten-thousandths" for 6 ⁄ 10,000 and "three hundredths" for 0.03.

  9. Multiplication - Wikipedia

    en.wikipedia.org/wiki/Multiplication

    For instance, the product of three factors of two (2×2×2) is "two raised to the third power", and is denoted by 2 3, a two with a superscript three. In this example, the number two is the base, and three is the exponent. [26] In general, the exponent (or superscript) indicates how many times the base appears in the expression, so that the ...