Rational formula


  • Webster's Revised Unabridged Dictionary
    • 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.
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In literature:

Rational formulae of a much simpler description than these graphic formulae are generally employed.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various
For him just this is God, or truth, and it is worth far more than anybody's religion or than anybody's rational formulae.
"The Will to Doubt" by Alfred H. Lloyd

In news:

Carrier Marks 100 Years of Rational Psychrometric Formulae.

In science:

Using the WDVV equation, Kontsevich derived a recursion formula for the number Nd of degree d plane rational curves passing through 3d − 1 general points, illustrating the power of Gromov-Witten theory in classical enumerative geomtry.
Descendent integrals and tautological rings of moduli spaces of curves
Kalorkoti. A lower bound for the formula size of rational functions.
Algebraic Independence and Blackbox Identity Testing
It is still unclear how to deduce integral formulas for solutions similar to those existing for the rational and trigonometric KZ equations.
Representations of affine Lie algebras, elliptic r-matrix systems, and special functions
On the one hand, we summarize the facts concerning the odd appearances in §4 of formulas from twodimensional rational conformal field theory.
A Strong Coupling Test of S-Duality
In this paper, especially in §4, formulas familiar in the context of two-dimensional rational conformal field theories (RCFTs) and strings made unexpected appearances.
A Strong Coupling Test of S-Duality