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  2. Clone Hero - Wikipedia

    en.wikipedia.org/wiki/Clone_Hero

    Clone Hero started as a small project of Ryan Foster's in 2011, [2] then called GuitaRPG, built in the XNA engine and bearing simple, 2D graphics. [10] Around 2015, the game's name was changed to Guitar Game to reflect its forking away from the RPG style, and had been upgraded with pseudo-3D graphics made with 2D graphics with warped perspective. [11]

  3. List of Billboard Digital Song Sales number ones of 2024

    en.wikipedia.org/wiki/List_of_Billboard_Digital...

    The Billboard Digital Song Sales chart is a chart that ranks the most downloaded songs in the United States. Its data is compiled by Nielsen SoundScan based on each song's weekly digital sales, which combines sales of different versions of a song by an act for a summarized figure.

  4. Multiplication algorithm - Wikipedia

    en.wikipedia.org/wiki/Multiplication_algorithm

    More formally, multiplying two n-digit numbers using long multiplication requires Θ(n 2) single-digit operations (additions and multiplications). When implemented in software, long multiplication algorithms must deal with overflow during additions, which can be expensive.

  5. Karatsuba algorithm - Wikipedia

    en.wikipedia.org/wiki/Karatsuba_algorithm

    Since the additions, subtractions, and digit shifts (multiplications by powers of B) in Karatsuba's basic step take time proportional to n, their cost becomes negligible as n increases. More precisely, if T(n) denotes the total number of elementary operations that the algorithm performs when multiplying two n-digit numbers, then

  6. List of Billboard Digital Song Sales number ones of 2021

    en.wikipedia.org/wiki/List_of_Billboard_Digital...

    The Billboard Digital Song Sales chart is a chart that ranks the most downloaded songs in the United States. Its data is compiled by Nielsen SoundScan based on each song's weekly digital sales, which combines sales of different versions of a song by an act for a summarized figure. In 2021, 28 acts reached number one (including features) with 22 ...

  7. List of Billboard Digital Song Sales number ones of 2020

    en.wikipedia.org/wiki/List_of_Billboard_Digital...

    The list of number-one digital songs of 2020 in the United States is based upon the highest-selling downloaded songs ranked in the Digital Song Sales chart published by Billboard magazine. The data are compiled by Nielsen SoundScan based on each song's weekly digital sales, which combines sales of different versions of a song by an act for a ...

  8. List of folk songs by Roud number - Wikipedia

    en.wikipedia.org/wiki/List_of_folk_songs_by_Roud...

    The songs are listed in the index by accession number, rather than (for example) by subject matter or in order of importance. Some well-known songs have low Roud numbers (for example, many of the Child Ballads), but others have high ones. Some of the songs were also included in the collection Jacobite Reliques by Scottish poet and novelist ...

  9. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    This method requires memorization of the squares of the one-digit numbers 1 to 9. The square of mn, mn being a two-digit integer, can be calculated as 10 × m(mn + n) + n 2. Meaning the square of mn can be found by adding n to mn, multiplied by m, adding 0 to the end and finally adding the square of n. For example, 23 2: 23 2 = 10 × 2(23 + 3 ...