Who is unknown quantity?

  • (noun): A factor in a given situation whose bearing and importance is not apparent.
    Example: "I don't know what the new man will do; he's still an unknown quantity"
    See also — Additional definitions below

Some articles on unknown quantity:

Division By Zero - In Algebra - Division As The Inverse of Multiplication
... For example, since 2 is the value for which the unknown quantity in is true ... But the expression requires a value to be found for the unknown quantity in But any number multiplied by 0 is 0 and so there is no number that solves the equation ... The expression requires a value to be found for the unknown quantity in Again, any number multiplied by 0 is 0 and so this time every number solves the equation instead of ...

More definitions of "unknown quantity":

  • (noun): A variable whose values are solutions of an equation.
    Synonyms: unknown

Famous quotes containing the word quantity:

    When we run over libraries persuaded of these principles, what havoc must we make? If we take in our hand any volume; of divinity or school metaphysics, for instance; let us ask, Does it contain any abstract reasoning concerning quantity or number? No. Does it contain any experimental reasoning concerning matter of fact and existence? No. Commit it then to the flames; for it can contain nothing but sophistry and illusion.
    David Hume (1711–1776)