exact expression
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exact — exact, acte (é gza, ou, suivant la prononciation la plus commune, è gzakt, c et t sonnant, gzak t . Il y a des divergences pour la prononciation du masculin : plusieurs disent è gza, ne faisant pas plus sonner ct que dans respect ; Richelet note… … Dictionnaire de la Langue Française d'Émile Littré
Exact trigonometric constants — Exact constant expressions for trigonometric expressions are sometimes useful, mainly for simplifying solutions into radical forms which allow further simplification.All values of sine, cosine, and tangent of angles with 3° increments are… … Wikipedia
exact — exact, exacte [ ɛgza(kt), ɛgzakt ] adj. • XVIe; lat. exactus « poussé jusqu au bout, accompli », de exigere « achever » I ♦ 1 ♦ Vx ou littér. Qui est fait avec soin, en observant les règles prescrites, les normes. ⇒ minutieux, rigoureux,… … Encyclopédie Universelle
expression — [ ɛkspresjɔ̃ ] n. f. • 1547; méd. 1314 ; lat. expressio, de exprimere → exprimer I ♦ Action ou manière d exprimer, de s exprimer. L expression d un sentiment, d une sensation, d un événement vécu. ⇒ extériorisation. Le langage a deux fonctions… … Encyclopédie Universelle
exact equation — type of differential equation that can be solved directly without the use of any of the special techniques in the subject. A first order differential equation (of one variable) is called exact, or an exact differential, if it is the result… … Universalium
exact science — noun : a science whose laws are capable of accurate quantitative expression (as physics, chemistry, astronomy) * * * a science, as chemistry or physics, that deals with quantitatively measurable phenomena of the material universe. [1860 65] * * * … Useful english dictionary
Exact science — The term exact science refers to fields of science that are capable of accurate quantitative expression or precise predictions and rigorous methods of testing hypotheses, especially reproducible experiments involving quantifiable predictions and… … Wikipedia
exact differential — noun : a differential expression of the form X1dx1+…+Xndxn, where the X s are the partial derivatives of a function f(x1…xn), with respect to x1… … Useful english dictionary
exact differential — noun Date: 1825 a differential expression of the form X1dx1 +…+ Xndxn where the X s are the partial derivatives of a function f(x1,…, xn) with respect to x1,…, xn respectively … New Collegiate Dictionary
exact science — noun Date: 1843 a science (as physics, chemistry, or astronomy) whose laws are capable of accurate quantitative expression … New Collegiate Dictionary
exact differential — Math. an expression that is the total differential of some function. [1815 25] * * * … Universalium