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  2. Roman numerals - Wikipedia

    en.wikipedia.org/wiki/Roman_numerals

    Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages.Numbers are written with combinations of letters from the Latin alphabet, each with a fixed integer value.

  3. Square One Television - Wikipedia

    en.wikipedia.org/wiki/Square_One_Television

    Sketches were presented in various formats, including music videos featuring a particular subject in mathematics and taught the subject through song (e.g., Roman numerals, obtuse and acute angles, percentages, negative numbers, etc.) or comedic sketches (e.g., General Mathpital, a parody of General Hospital; Nobody's Inn, a parody of Fawlty ...

  4. Roman numeral analysis - Wikipedia

    en.wikipedia.org/wiki/Roman_numeral_analysis

    Roman numeral analysis of the standard twelve-bar blues In music theory, fake books and lead sheets aimed towards jazz and popular music , many tunes and songs are written in a key, and as such for all chords, a letter name and symbols are given for all triads (e.g., C, G 7 , Dm, etc.).

  5. History of mathematical notation - Wikipedia

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

    For example, the number 88,888,888 would be written as M,ηωπη*ηωπη. [ 23 ] Milesian numeration, though far less convenient than modern numerals, was formed on a perfectly regular and scientific plan, [ 24 ] and could be used with tolerable effect as an instrument of calculation, to which purpose the Roman system was totally inapplicable.

  6. Latin numerals - Wikipedia

    en.wikipedia.org/wiki/Latin_Numerals

    The invariant numeral quattuor ‘four’ does not fully correspond to any of its cognates in other languages, as Oscan petora ‘four’, Greek τέσσαρες téssares ‘four’, Old Irish cethair ‘four’, Gothic fidwôr ‘four’, Lithuanian keturì ‘four’, Old Church Slavonic četyre ‘four’ point to a Proto-Indo-European base ...

  7. Mnemonic major system - Wikipedia

    en.wikipedia.org/wiki/Mnemonic_major_system

    The major system (also called the phonetic number system, phonetic mnemonic system, or Hérigone's mnemonic system) is a mnemonic technique used to help in memorizing numbers. The system works by converting numbers into consonants, then into words by adding vowels. The system works on the principle that images can be remembered more easily than ...

  8. List of mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_mnemonics

    A mnemonic to remember which way to turn common (right-hand thread) screws and nuts, including light bulbs, is "Righty-tighty, Lefty-loosey"; another is "Right on, Left off". [ 8 ] : 165 For the OSI Network Layer model P lease D o N ot T hrow S ausage P izza A way correspond to the Physical, Datalink, Network, Transport, Session, Presentation ...

  9. Attic numerals - Wikipedia

    en.wikipedia.org/wiki/Attic_numerals

    The Attic numerals were a decimal (base 10) system, like the older Egyptian and the later Etruscan, Roman, and Hindu-Arabic systems. Namely, the number to be represented was broken down into simple multiples (1 to 9) of powers of ten — units, tens, hundred, thousands, etc.. Then these parts were written down in sequence, in order of ...