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  2. Lim Hng Kiang - Wikipedia

    en.wikipedia.org/wiki/Lim_Hng_Kiang

    Lim Hng Kiang (Chinese: 林勋强; Pe̍h-ōe-jī: Lîm Hng-kiâng; pinyin: Lín Xūnqiáng; born 9 April 1954) [1] is a Singaporean former politician who served as Minister for Trade and Industry between 2004 and 2018, Minister in the Prime Minister's Office in 2003 and 2004, Minister for Health between 1999 and 2003 and Minister for National ...

  3. Fermat's theorem on sums of two squares - Wikipedia

    en.wikipedia.org/wiki/Fermat's_theorem_on_sums_of...

    Fermat's theorem on sums of two squares is strongly related with the theory of Gaussian primes. A Gaussian integer is a complex number such that a and b are integers. The norm of a Gaussian integer is an integer equal to the square of the absolute value of the Gaussian integer. The norm of a product of Gaussian integers is the product of their norms. This is the Diophantus identity, which ...

  4. Characterizations of the exponential function - Wikipedia

    en.wikipedia.org/wiki/Characterizations_of_the...

    In mathematics, the exponential function can be characterized in many ways. This article presents some common characterizations, discusses why each makes sense, and proves that they are all equivalent. The exponential function occurs naturally in many branches of mathematics. Walter Rudin called it "the most important function in mathematics". [1] It is therefore useful to have multiple ways ...

  5. Tap code - Wikipedia

    en.wikipedia.org/wiki/Tap_code

    The tap code, sometimes called the knock code, is a way to encode text messages on a letter-by-letter basis in a very simple way. The message is transmitted using a series of tap sounds, hence its name. [1] The tap code has been commonly used by prisoners to communicate with each other. The method of communicating is usually by tapping either the metal bars, pipes or the walls inside a cell.

  6. Iterated limit - Wikipedia

    en.wikipedia.org/wiki/Iterated_limit

    In multivariable calculus, an iterated limit is a limit of a sequence or a limit of a function in the form , , or other similar forms. An iterated limit is only defined for an expression whose value depends on at least two variables. To evaluate such a limit, one takes the limiting process as one of the two variables approaches some number, getting an expression whose value depends only on the ...

  7. David Lim (actor) - Wikipedia

    en.wikipedia.org/wiki/David_Lim_(actor)

    David Bradley Lim (born September 23, 1983) is an American actor and model. He is best known for portraying the role of Sebastian Chen in the second season of the ABC thriller Quantico (2016–2017) and as Victor Tan in the CBS television series S.W.A.T (2017–2025).

  8. One-sided limit - Wikipedia

    en.wikipedia.org/wiki/One-sided_limit

    The one-sided limit to a point corresponds to the general definition of limit, with the domain of the function restricted to one side, by either allowing that the function domain is a subset of the topological space, or by considering a one-sided subspace, including [1] [verification needed] Alternatively, one may consider the domain with a half-open interval topology. [citation needed]

  9. Tap (valve) - Wikipedia

    en.wikipedia.org/wiki/Tap_(valve)

    Tap generally refers to a keg or barrel tap, though also commonly refers to a faucet that supplies either hot or cold water and not both. [citation needed] It also appears as a descriptor in "tap water" (i.e. water purified for domestic use).