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  2. Slide rule - Wikipedia

    en.wikipedia.org/wiki/Slide_rule

    For example, a 10 cm (3.9 in) circular would have a maximum precision approximately equal to a 31.4 cm (12.4 in) ordinary slide rule. Circular slide rules also eliminate "off-scale" calculations, because the scales were designed to "wrap around"; they never have to be reoriented when results are near 1.0—the rule is always on scale.

  3. Hindustani grammar - Wikipedia

    en.wikipedia.org/wiki/Hindustani_grammar

    Compound verbs, a highly visible feature of Hindi–Urdu grammar, consist of a verbal stem plus a light verb. The light verb (also called "subsidiary", "explicator verb", and "vector" [ 55 ] ) loses its own independent meaning and instead "lends a certain shade of meaning" [ 56 ] to the main or stem verb, which "comprises the lexical core of ...

  4. Fuller calculator - Wikipedia

    en.wikipedia.org/wiki/Fuller_calculator

    The second, outer, cylinder is printed with the slide rule's primary logarithmic scale in the form of a 50-turn helix 12.70 metres; 500 inches (41 ft 8 in) long with annotations on the scale going from 100 to 1000. A brass tube with a mahogany cap at the top is a slide fit into the first cylinder.

  5. Hindustani declension - Wikipedia

    en.wikipedia.org/wiki/Hindustani_declension

    Hindi-Urdu, also known as Hindustani, has three noun cases (nominative, oblique, and vocative) [1] [2] and five pronoun cases (nominative, accusative, dative, genitive, and oblique). The oblique case in pronouns has three subdivisions: Regular, Ergative , and Genitive .

  6. Hindustani verbs - Wikipedia

    en.wikipedia.org/wiki/Hindustani_verbs

    5 the indicative future for the perfective and progressive aspects can alternatively also use the copula "rêhnā" (to stay), they are roughly synonymous. 6 the simple perfect verb forms when used in an if-cause or a relative clause , they would not be considered perfect indicative but instead a type of future subjunctive.

  7. Slide rule scale - Wikipedia

    en.wikipedia.org/wiki/Slide_rule_scale

    A slide rule scale is a line with graduated markings inscribed along the length of a slide rule used for mathematical calculations. The earliest such device had a single logarithmic scale for performing multiplication and division, but soon an improved technique was developed which involved two such scales sliding alongside each other.

  8. E6B - Wikipedia

    en.wikipedia.org/wiki/E6B

    The other side is a circular slide rule. Extra marks and windows facilitate calculations specifically needed in aviation. Electronic versions are also produced, resembling calculators, rather than manual slide rules. Aviation remains one of the few places that the slide rule is still in widespread use. Manual E6-Bs/CRP-1s remain popular with ...

  9. Grammar - Wikipedia

    en.wikipedia.org/wiki/Grammar

    Grammar rules may concern the use of clauses, phrases, and words. The term may also refer to the study of such rules, a subject that includes phonology, morphology, and syntax, together with phonetics, semantics, and pragmatics. There are, broadly speaking, two different ways to study grammar: traditional grammar and theoretical grammar.