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  2. Lowest common denominator - Wikipedia

    en.wikipedia.org/wiki/Lowest_common_denominator

    In musical rhythm, the LCD is used in cross-rhythms and polymeters to determine the fewest notes necessary to count time given two or more metric divisions. For example, much African music is recorded in Western notation using 12 8 because each measure is divided by 4 and by 3, the LCD of which is 12.

  3. Least common multiple - Wikipedia

    en.wikipedia.org/wiki/Least_common_multiple

    The least common multiple of the denominators of two fractions is the "lowest common denominator" (lcd), and can be used for adding, subtracting or comparing the fractions. The least common multiple of more than two integers a , b , c , . . . , usually denoted by lcm( a , b , c , . . .) , is defined as the smallest positive integer that is ...

  4. Euclidean algorithm - Wikipedia

    en.wikipedia.org/wiki/Euclidean_algorithm

    The Euclidean algorithm can be used to solve linear Diophantine equations and Chinese remainder problems for polynomials; continued fractions of polynomials can also be defined. The polynomial Euclidean algorithm has other applications, such as Sturm chains, a method for counting the zeros of a polynomial that lie inside a given real interval ...

  5. Heaviside cover-up method - Wikipedia

    en.wikipedia.org/wiki/Heaviside_cover-up_method

    To solve for : A {\displaystyle A} can be solved by setting the denominator of the first fraction to zero, 1 − 2 x = 0 {\displaystyle 1-2x=0} . Solving for x {\displaystyle x} gives the cover-up value for A {\displaystyle A} : when x = 1 / 2 {\displaystyle x=1/2} .

  6. How the 173-year-old glassmaker behind Edison’s light bulb ...

    www.aol.com/finance/173-old-glass-maker-behind...

    They invested in developing LCD, flat-screen TV displays. And they created new ceramic filters to trap smog and exhaust from trucks. Five years later, they got their next big break.

  7. Scientific calculator - Wikipedia

    en.wikipedia.org/wiki/Scientific_calculator

    Cursor controls to edit equations and view previous calculations (some calculators such as the LCD-8310, badge engineered under both Olympia and United Office keep the number of the previous result on-screen for convenience while the new calculation is being entered. [2]) Hexadecimal, binary, and octal calculations, including basic Boolean ...

  8. What Is an LCD or LED TV (and Why Does It Matter to You)? - AOL

    www.aol.com/news/2014-02-01-what-is-an-lcd-or...

    Head to any store that sells TVs, and you're likely to see a lot of LCD and LED TVs. But what. Buying a flat-screen TV can be daunting -- not only do you have settle on a brand and screen size ...

  9. Seven-segment display - Wikipedia

    en.wikipedia.org/wiki/Seven-segment_display

    Seven-segment displays may use a liquid-crystal display (LCD), a light-emitting diode (LED) for each segment, an electrochromic display, or other light-generating or -controlling techniques such as cold cathode gas discharge (neon) (), vacuum fluorescent (VFD), incandescent filaments (Numitron), and others.