"149597870691 m (*)")
;; (approx) NASA JPL (http://neo.jpl.nasa.gov/glossary/au.html)
( lyr "c yr" "Light Year" )
- ( pc "3.0856775854e16 m" "Parsec" nil
- "3.0856775854e16 m (*)") ;; (approx) ESUWM
+ ( pc "3.0856775854*10^16 m" "Parsec" nil
+ "3.0856775854 10^16 m (*)") ;; (approx) ESUWM
( nmi "1852 m" "Nautical Mile" )
( fath "6 ft" "Fathom" )
+ ( fur "660 ft" "Furlong")
( mu "1 um" "Micron" )
- ( mil "in/1000" "Mil" )
- ( point "in/72" "Point (1/72 inch)" )
+ ( mil "(1/1000) in" "Mil" )
+ ( point "(1/72) in" "Point (1/72 inch)" )
( Ang "10^(-10) m" "Angstrom" )
( mfi "mi+ft+in" "Miles + feet + inches" )
;; TeX lengths
;; Area
( hect "10000 m^2" "*Hectare" )
( a "100 m^2" "Are")
- ( acre "mi^2 / 640" "Acre" )
+ ( acre "(1/640) mi^2" "Acre" )
( b "10^(-28) m^2" "Barn" )
;; Volume
;; That gives the following exact value for tsp.
( tsp "492892159375*10^(-11) ml" "Teaspoon" nil
"4.92892159375 ml")
- ( vol "tsp+tbsp+ozfl+cup+pt+qt+gal" "Gallons + ... + teaspoons" )
+ ( vol "tsp+tbsp+ozfl+cup+pt+qt+gal" "Gallons + ... + teaspoons" nil
+ "tsp+tbsp+ozfl+cup+pt+qt+gal")
( galC "galUK" "Canadian Gallon" )
( galUK "454609*10^(-5) L" "UK Gallon" nil
"4.54609 L") ;; NIST
( day "24 hr" "Day" )
( wk "7 day" "Week" )
( hms "wk+day+hr+min+s" "Hours, minutes, seconds" )
- ( yr "365.25 day" "Year" ) ;; (approx, but keep)
+ ( yr "36525*10^(-2) day" "Year (Julian)" nil
+ "365.25 day")
( Hz "1/s" "Hertz" )
;; Speed
( tonUK "10160469088*10^(-7) kg" "UK ton" nil
"1016.0469088 kg") ;; ESUWM
( lbt "12 ozt" "Troy pound" )
- ( ozt "31.10347680 g" "Troy ounce" nil
- "31.10347680 g (*)") ;; (approx) ESUWM
+ ( ozt "311034768*10^(-7) g" "Troy ounce" nil
+ "31.10347680 g") ;; ESUWM, 1/12 exact value for lbt
( ct "(2/10) g" "Carat" nil
"0.2 g") ;; ESUWM
- ( u "1.660538782e-27 kg" "Unified atomic mass" nil
- "1.660538782e-27 kg (*)");;(approx) CODATA
+ ( u "1.660538782*10^(-27) kg" "Unified atomic mass" nil
+ "1.660538782 10^-27 kg (*)");;(approx) CODATA
;; Force
( N "m kg/s^2" "*Newton" )
;; Energy
( J "N m" "*Joule" )
( erg "10^(-7) J" "Erg" )
- ( cal "4.18674 J" "International Table Calorie" nil
- "4.18674 J (*)");;(approx) ESUWM
+ ( cal "41868*10^(-4) J" "International Table Calorie" nil
+ "4.1868 J") ;; NIST
+ ( calth "4184*10^(-3) J" "Thermochemical Calorie" nil
+ "4.184 J") ;; NIST
+ ( Cal "1000 cal" "Large Calorie")
( Btu "105505585262*10^(-8) J" "International Table Btu" nil
"1055.05585262 J") ;; ESUWM
( eV "ech V" "Electron volt" )
;; Power
( W "J/s" "*Watt" )
- ( hp "745.699871581 W" "Horsepower" nil
- "745.699871581 W (*)") ;;(approx) ESUWM
+ ( hp "550 ft lbf/s" "Horsepower") ;;ESUWM
+ ( hpm "75 m kgf/s" "Metric Horsepower") ;;ESUWM
;; Temperature
( K nil "*Degree Kelvin" K )
( Pa "N/m^2" "*Pascal" )
( bar "10^5 Pa" "Bar" )
( atm "101325 Pa" "Standard atmosphere" ) ;; CODATA
- ( Torr "1.333224e2 Pa" "Torr" nil
- "1.333224e2 Pa (*)") ;;(approx) NIST
+ ( Torr "(1/760) atm" "Torr")
( mHg "1000 Torr" "Meter of mercury" )
( inHg "254*10^(-1) mmHg" "Inch of mercury" nil
"25.4 mmHg")
- ( inH2O "2.490889e2 Pa" "Inch of water" nil
- "2.490889e2 Pa (*)") ;;(approx) NIST
+ ( inH2O "2.490889*10^2 Pa" "Inch of water" nil
+ "2.490889 10^2 Pa (*)") ;;(approx) NIST
( psi "lbf/in^2" "Pounds per square inch" )
;; Viscosity
( C "A s" "Coulomb" )
( Fdy "ech Nav" "Faraday" )
( e "ech" "Elementary charge" )
- ( ech "1.602176487e-19 C" "Elementary charge" nil
- "1.602176487e-19 C (*)") ;;(approx) CODATA
+ ( ech "1.602176487*10^(-19) C" "Elementary charge" nil
+ "1.602176487 10^-19 C (*)") ;;(approx) CODATA
( V "W/A" "Volt" )
( ohm "V/A" "Ohm" )
( mho "A/V" "Mho" )
( lm "cd sr" "Lumen" )
( lx "lm/m^2" "Lux" )
( ph "10000 lx" "Phot" )
- ( fc "10.76391 lx" "Footcandle" nil
- "10.76391 lx (*)") ;;(approx) NIST
+ ( fc "lm/ft^2" "Footcandle") ;; ESUWM
( lam "10000 lm/m^2" "Lambert" )
- ( flam "3.426259 cd/m^2" "Footlambert" nil
- "3.426259 cd / m^2 (*)") ;;(approx) NIST
+ ( flam "(1/pi) cd/ft^2" "Footlambert") ;; ESUWM
;; Radioactivity
( Bq "1/s" "*Becquerel" )
;; Other physical quantities
;; The values are from CODATA, and are approximate.
- ( h "6.62606896e-34 J s" "*Planck's constant" nil
- "6.62606896e-34 J s (*)")
- ( hbar "h / (2 pi)" "Planck's constant" )
- ( mu0 "4 pi 10^(-7) H/m" "Permeability of vacuum" nil
- "4 pi 10^(-7) H/m (*)")
- ( G "6.67428e-11 m^3/(kg s^2)" "Gravitational constant" nil
+ ( h "6.62606896*10^(-34) J s" "*Planck's constant" nil
+ "6.62606896 10^-34 J s (*)")
+ ( hbar "h / (2 pi)" "Planck's constant" ) ;; Exact
+ ( mu0 "4 pi 10^(-7) H/m" "Permeability of vacuum") ;; Exact
+ ( G "6.67428e-11 m^3/(kg s^2)" "Gravitational constant" nil
"6.67428e-11 m^3/(kg s^2) (*)")
- ( Nav "6.02214179e23 / mol" "Avagadro's constant" nil
- "6.02214179e23 / mol (*)")
- ( me "9.10938215e-31 kg" "Electron rest mass" nil
- "9.10938215e-31 kg (*)")
- ( mp "1.672621637e-27 kg" "Proton rest mass" nil
- "1.672621637e-27 kg (*)")
- ( mn "1.674927211e-27 kg" "Neutron rest mass" nil
- "1.674927211e-27 kg (*)")
- ( mmu "1.88353130e-28 kg" "Muon rest mass" nil
- "1.88353130e-28 kg (*)")
- ( Ryd "10973731.568527 /m" "Rydberg's constant" nil
+ ( Nav "6.02214179*10^(23) / mol" "Avagadro's constant" nil
+ "6.02214179 10^23 / mol (*)")
+ ( me "9.10938215*10^(-31) kg" "Electron rest mass" nil
+ "9.10938215 10^-31 kg (*)")
+ ( mp "1.672621637*10^(-27) kg" "Proton rest mass" nil
+ "1.672621637 10^-27 kg (*)")
+ ( mn "1.674927211*10^(-27) kg" "Neutron rest mass" nil
+ "1.674927211 10^-27 kg (*)")
+ ( mmu "1.88353130*10^(-28) kg" "Muon rest mass" nil
+ "1.88353130 10^-28 kg (*)")
+ ( Ryd "10973731.568527 /m" "Rydberg's constant" nil
"10973731.568527 /m (*)")
- ( k "1.3806504e-23 J/K" "Boltzmann's constant" nil
- "1.3806504e-23 J/K (*)")
- ( alpha "7.2973525376e-3" "Fine structure constant" nil
- "7.2973525376e-3 (*)")
- ( muB "927.400915e-26 J/T" "Bohr magneton" nil
- "927.400915e-26 J/T (*)")
- ( muN "5.05078324e-27 J/T" "Nuclear magneton" nil
- "5.05078324e-27 J/T (*)")
- ( mue "-928.476377e-26 J/T" "Electron magnetic moment" nil
- "-928.476377e-26 J/T (*)")
- ( mup "1.410606662e-26 J/T" "Proton magnetic moment" nil
- "1.410606662e-26 J/T (*)")
- ( R0 "8.314472 J/(mol K)" "Molar gas constant" nil
+ ( k "1.3806504*10^(-23) J/K" "Boltzmann's constant" nil
+ "1.3806504 10^-23 J/K (*)")
+ ( alpha "7.2973525376*10^(-3)" "Fine structure constant" nil
+ "7.2973525376 10^-3 (*)")
+ ( muB "927.400915*10^(-26) J/T" "Bohr magneton" nil
+ "927.400915 10^-26 J/T (*)")
+ ( muN "5.05078324*10^(-27) J/T" "Nuclear magneton" nil
+ "5.05078324 10^-27 J/T (*)")
+ ( mue "-928.476377*10^(-26) J/T" "Electron magnetic moment" nil
+ "-928.476377 10^-26 J/T (*)")
+ ( mup "1.410606662*10^(-26) J/T" "Proton magnetic moment" nil
+ "1.410606662 10^-26 J/T (*)")
+ ( R0 "8.314472 J/(mol K)" "Molar gas constant" nil
"8.314472 J/(mol K) (*)")
- ( V0 "22.710981e-3 m^3/mol" "Standard volume of ideal gas" nil
- "22.710981e-3 m^3/mol (*)")))
+ ( V0 "22.710981*10^(-3) m^3/mol" "Standard volume of ideal gas" nil
+ "22.710981 10^-3 m^3/mol (*)")))
(defvar math-additional-units nil
(let ((inhibit-read-only t))
(erase-buffer)
(insert "Calculator Units Table:\n\n")
- (insert "(All definitions are exact unless marked with an (*).)\n\n")
+ (insert "(All definitions are exact unless marked with an asterisk (*).)\n\n")
(insert "Unit Type Definition Description\n\n")
(while uptr
(setq u (car uptr)
projects / emacs.git / commitdiff