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Formulas

Formula For"mu*la, n.; pl. E. Formulas, L. Formul[ae]. [L., dim. of forma form, model. SeeForm, n.] 1. A prescribed or set form; an established rule; a fixed or conventional method in which anything is to be done, arranged, or said. 2. (Eccl.) A written confession of faith; a formal statement of foctrines. 3. (Math.) A rule or principle expressed in algebraic language; as, the binominal formula. 4. (Med.) A prescription or recipe for the preparation of a medicinal compound. 5. (Chem.) A symbolic expression (by means of letters, figures, etc.) of the constituents or constitution of a compound. Note: Chemical formul[ae] consist of the abbreviations of the names of the elements, with a small figure at the lower right hand, to denote the number of atoms of each element contained. Empirical formula (Chem.), an expression which gives the simple proportion of the constituents; as, the empirical formula of acetic acid is C2H4O2. Graphic formula, Rational formula (Chem.), an expression of the constitution, and in a limited sense of the structure, of a compound, by the grouping of its atoms or radicals; as, a rational formula of acetic acid is CH3.(C:O).OH; -- called also structural formula, constitutional formula, etc. See also the formula of Benzene nucleus, under Benzene. Molecular formula (Chem.), a formula indicating the supposed molecular constitution of a compound.

Formula For"mu*la, n.; pl. E. Formulas, L. Formul[ae]. [L., dim. of forma form, model. SeeForm, n.] 1. A prescribed or set form; an established rule; a fixed or conventional method in which anything is to be done, arranged, or said. 2. (Eccl.) A written confession of faith; a formal statement of foctrines. 3. (Math.) A rule or principle expressed in algebraic language; as, the binominal formula. 4. (Med.) A prescription or recipe for the preparation of a medicinal compound. 5. (Chem.) A symbolic expression (by means of letters, figures, etc.) of the constituents or constitution of a compound. Note: Chemical formul[ae] consist of the abbreviations of the names of the elements, with a small figure at the lower right hand, to denote the number of atoms of each element contained. Empirical formula (Chem.), an expression which gives the simple proportion of the constituents; as, the empirical formula of acetic acid is C2H4O2. Graphic formula, Rational formula (Chem.), an expression of the constitution, and in a limited sense of the structure, of a compound, by the grouping of its atoms or radicals; as, a rational formula of acetic acid is CH3.(C:O).OH; -- called also structural formula, constitutional formula, etc. See also the formula of Benzene nucleus, under Benzene. Molecular formula (Chem.), a formula indicating the supposed molecular constitution of a compound.

Formula

Formula For"mu*la, n.; pl. E. Formulas, L. Formul[ae]. [L., dim. of forma form, model. SeeForm, n.] 1. A prescribed or set form; an established rule; a fixed or conventional method in which anything is to be done, arranged, or said. 2. (Eccl.) A written confession of faith; a formal statement of foctrines. 3. (Math.) A rule or principle expressed in algebraic language; as, the binominal formula. 4. (Med.) A prescription or recipe for the preparation of a medicinal compound. 5. (Chem.) A symbolic expression (by means of letters, figures, etc.) of the constituents or constitution of a compound. Note: Chemical formul[ae] consist of the abbreviations of the names of the elements, with a small figure at the lower right hand, to denote the number of atoms of each element contained. Empirical formula (Chem.), an expression which gives the simple proportion of the constituents; as, the empirical formula of acetic acid is C2H4O2. Graphic formula, Rational formula (Chem.), an expression of the constitution, and in a limited sense of the structure, of a compound, by the grouping of its atoms or radicals; as, a rational formula of acetic acid is CH3.(C:O).OH; -- called also structural formula, constitutional formula, etc. See also the formula of Benzene nucleus, under Benzene. Molecular formula (Chem.), a formula indicating the supposed molecular constitution of a compound.

Formula For"mu*la, n.; pl. E. Formulas, L. Formul[ae]. [L., dim. of forma form, model. SeeForm, n.] 1. A prescribed or set form; an established rule; a fixed or conventional method in which anything is to be done, arranged, or said. 2. (Eccl.) A written confession of faith; a formal statement of foctrines. 3. (Math.) A rule or principle expressed in algebraic language; as, the binominal formula. 4. (Med.) A prescription or recipe for the preparation of a medicinal compound. 5. (Chem.) A symbolic expression (by means of letters, figures, etc.) of the constituents or constitution of a compound. Note: Chemical formul[ae] consist of the abbreviations of the names of the elements, with a small figure at the lower right hand, to denote the number of atoms of each element contained. Empirical formula (Chem.), an expression which gives the simple proportion of the constituents; as, the empirical formula of acetic acid is C2H4O2. Graphic formula, Rational formula (Chem.), an expression of the constitution, and in a limited sense of the structure, of a compound, by the grouping of its atoms or radicals; as, a rational formula of acetic acid is CH3.(C:O).OH; -- called also structural formula, constitutional formula, etc. See also the formula of Benzene nucleus, under Benzene. Molecular formula (Chem.), a formula indicating the supposed molecular constitution of a compound.

- There are several types of these formulas, including molecular formulas and condensed formulas. A molecular formula enumerates the number of atoms to...

- are chemical names and structural formulas. The simplest types of chemical formulas are called empirical formulas, which use letters and numbers indicating...

- In mathematics, Vieta's formulas are formulas that relate the coefficients of a polynomial to sums and products of its roots. Named after François Viète...

- key difficulty in the design of good algorithms for this problem is that formulas for the variance may involve sums of squares, which can lead to numerical...

- is a list of common chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listing at inorganic compounds...

- are infant formulas using soybean as a protein source in place of cow's milk (mostly in the United States and Great Britain) and formulas using protein...

- an interpretation. Two key uses of formulas are in propositional logic and predicate logic. A key use of formulas is in propositional logic and predicate...

- mathematical steps, and these can be ****igned to individual formulas in cells. Some of these formulas can apply to ranges as well, like the SUM function that...

- compounds of sulphur and oxygen, will have the same empirical formula. However, their molecular formulas, which express the number of atoms in each molecule of...

- specifically, the formulas describe the derivatives of the so-called tangent, normal, and binormal unit vectors in terms of each other. The formulas are named...

- are chemical names and structural formulas. The simplest types of chemical formulas are called empirical formulas, which use letters and numbers indicating...

- In mathematics, Vieta's formulas are formulas that relate the coefficients of a polynomial to sums and products of its roots. Named after François Viète...

- key difficulty in the design of good algorithms for this problem is that formulas for the variance may involve sums of squares, which can lead to numerical...

- is a list of common chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listing at inorganic compounds...

- are infant formulas using soybean as a protein source in place of cow's milk (mostly in the United States and Great Britain) and formulas using protein...

- an interpretation. Two key uses of formulas are in propositional logic and predicate logic. A key use of formulas is in propositional logic and predicate...

- mathematical steps, and these can be ****igned to individual formulas in cells. Some of these formulas can apply to ranges as well, like the SUM function that...

- compounds of sulphur and oxygen, will have the same empirical formula. However, their molecular formulas, which express the number of atoms in each molecule of...

- specifically, the formulas describe the derivatives of the so-called tangent, normal, and binormal unit vectors in terms of each other. The formulas are named...

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