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Reorder Calc units table

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* lisp/calc/calc-units.el (math-standard-units): Reorder the
table, so that all CODATA values are grouped together.
This commit is contained in:
Ulrich Müller 2024-06-05 08:19:56 +02:00
parent 4764c53580
commit 854552fd0d
1 changed files with 9 additions and 8 deletions
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17
lisp/calc/calc-units.el
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@ -269,9 +269,7 @@
( Nav "6.02214076*10^(23) / mol" "Avogadro constant" nil
"6.02214076 10^23 / mol")
;; Other physical quantities
;; Unless otherwise mentioned, the values are from CODATA,
;; and are approximate.
;; Derived physical constants
( hbar "h / (2 pi)" "*Reduced Planck constant" )
;; After the 2018 SI redefinition, eps0 and mu0 are measured quantities,
;; and mu0 no longer has the previous exact value of 4 pi 10^(-7) H/m.
@ -279,6 +277,14 @@
( ε0 "eps0" "Permittivity of vacuum" )
( mu0 "1 / (eps0 c^2)" "Permeability of vacuum")
( μ0 "mu0" "Permeability of vacuum")
( sigma "2 pi^5 k^4 / (15 h^3 c^2)" "Stefan-Boltzmann constant")
( σ "sigma" "Stefan-Boltzmann constant")
( R0 "Nav k" "Molar gas constant" )
( V0 "R0 273.15 K / 10^5 Pa" "Standard volume of ideal gas" )
;; IUPAC 1982 standard temperature and pressure
;; Other physical quantities
;; Values are from CODATA, and are approximate.
( G "6.67430*10^(-11) m^3/(kg s^2)" "Gravitational constant" nil
"6.67430 10^-11 m^3/(kg s^2) (*)")
( me "9.1093837139*10^(-31) kg" "Electron rest mass" nil
@ -293,8 +299,6 @@
"1.883531627 10^-28 kg (*)")
( Ryd "10973731.568157 /m" "Rydberg constant" nil
"10973731.568157 /m (*)")
( sigma "2 pi^5 k^4 / (15 h^3 c^2)" "Stefan-Boltzmann constant")
( σ "sigma" "Stefan-Boltzmann constant")
( alpha "7.2973525643*10^(-3)" "Fine structure constant" nil
"7.2973525643 10^-3 (*)")
( α "alpha" "Fine structure constant" nil
@ -307,9 +311,6 @@
"-9.2847646917 10^-24 J/T (*)")
( mup "1.41060679545*10^(-26) J/T" "Proton magnetic moment" nil
"1.41060679545 10^-26 J/T (*)")
( R0 "Nav k" "Molar gas constant" )
( V0 "R0 273.15 K / 10^5 Pa" "Standard volume of ideal gas" )
;; IUPAC 1982 standard temperature and pressure
;; Logarithmic units
( Np nil "*Neper")