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  2. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The plus sign ( +) and the minus sign ( −) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition, which results in a sum, while − represents subtraction, resulting in a difference. [1] Their use has been extended to many other meanings, more or less analogous.

  3. Bootstrapping (linguistics) - Wikipedia

    en.wikipedia.org/wiki/Bootstrapping_(linguistics)

    Bootstrapping is a term used in language acquisition in the field of linguistics. It refers to the idea that humans are born innately equipped with a mental faculty that forms the basis of language. It is this language faculty that allows children to effortlessly acquire language. [1] As a process, bootstrapping can be divided into different ...

  4. Most Effective Pills for ED: Viagra, Cialis, Levitra, Stendra

    www.healthline.com/health/what-is-the-most...

    Tadalafil: Brand-name Cialis may cost up to $70 for a 20-mg dose. Generic tadalafil can sell for $12.99 per dose. Vardenafil: Brand-name Levitra costs about $40 for a typical dose. Generic ...

  5. Booting - Wikipedia

    en.wikipedia.org/wiki/Booting

    Booting. A flow diagram of a computer booting. In computing, booting is the process of starting a computer as initiated via hardware such as a button on the computer or by a software command. After it is switched on, a computer's central processing unit (CPU) has no software in its main memory, so some process must load software into memory ...

  6. Electrical impedance - Wikipedia

    en.wikipedia.org/wiki/Electrical_impedance

    In electrical engineering, impedance is the opposition to alternating current presented by the combined effect of resistance and reactance in a circuit.. Quantitatively, the impedance of a two-terminal circuit element is the ratio of the complex representation of the sinusoidal voltage between its terminals, to the complex representation of the current flowing through it.

  7. Classifier constructions in sign languages - Wikipedia

    en.wikipedia.org/wiki/Classifier_constructions...

    In sign languages, the term classifier construction (also known as classifier predicates) refers to a morphological system that can express events and states. [1] They use handshape classifiers to represent movement, location, and shape. Classifiers differ from signs in their morphology, namely that signs consist of a single morpheme.

  8. Pivotal quantity - Wikipedia

    en.wikipedia.org/wiki/Pivotal_quantity

    Pivotal quantity. In statistics, a pivotal quantity or pivot is a function of observations and unobservable parameters such that the function's probability distribution does not depend on the unknown parameters (including nuisance parameters ). [1] A pivot need not be a statistic — the function and its 'value' can depend on the parameters of ...

  9. Bootstrapping - Wikipedia

    en.wikipedia.org/wiki/Bootstrapping

    In computer technology, the term bootstrapping refers to language compilers that are able to be coded in the same language. (For example, a C compiler is now written in the C language. Once the basic compiler is written, improvements can be iteratively made, thus pulling the language up by its bootstraps).