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authorJay Belanger2005-10-19 20:19:04 +0000
committerJay Belanger2005-10-19 20:19:04 +0000
commitcf39c182861d1239a2ddbc818a8ced86970c4377 (patch)
tree507e52717ecfd5981d51d880ddf489a2b483bedd /lisp
parente27e4e7a3b9aea1478806ea5d29c0db23e413cd0 (diff)
downloademacs-cf39c182861d1239a2ddbc818a8ced86970c4377.tar.gz
emacs-cf39c182861d1239a2ddbc818a8ced86970c4377.zip
(math-standard-units): Add units, adjust symbols and update values.
(math-unit-prefixes): Add more prefixes.
Diffstat (limited to 'lisp')
-rw-r--r--lisp/ChangeLog8
-rw-r--r--lisp/calc/calc-units.el314
2 files changed, 170 insertions, 152 deletions
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 675dc73840a..f532be2d596 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,9 @@
12005-10-19 Jay Belanger <belanger@truman.edu>
2
3 * calc/calc-units.el (math-standard-units): Add units, adjust
4 symbols and update values.
5 (math-unit-prefixes): Add more prefixes.
6
12005-10-19 Romain Francoise <romain@orebokech.com> 72005-10-19 Romain Francoise <romain@orebokech.com>
2 8
3 * bookmark.el (bookmark-menu-heading): New face. 9 * bookmark.el (bookmark-menu-heading): New face.
@@ -128,7 +134,7 @@
128 134
1292005-10-18 Jay Belanger <belanger@truman.edu> 1352005-10-18 Jay Belanger <belanger@truman.edu>
130 136
131 * calc/calc-store (calc-store-into): Get the proper variable name 137 * calc/calc-store.el (calc-store-into): Get the proper variable name
132 to display in message. 138 to display in message.
133 139
1342005-10-18 Nick Roberts <nickrob@snap.net.nz> 1402005-10-18 Nick Roberts <nickrob@snap.net.nz>
diff --git a/lisp/calc/calc-units.el b/lisp/calc/calc-units.el
index 8fcbe7c0943..c1673508897 100644
--- a/lisp/calc/calc-units.el
+++ b/lisp/calc/calc-units.el
@@ -43,200 +43,208 @@
43;;; for CODATA 1998 see one of 43;;; for CODATA 1998 see one of
44;;; - Journal of Physical and Chemical Reference Data, 28(6), 1713-1852, 1999. 44;;; - Journal of Physical and Chemical Reference Data, 28(6), 1713-1852, 1999.
45;;; - Reviews of Modern Physics, 72(2), 351-495, 2000. 45;;; - Reviews of Modern Physics, 72(2), 351-495, 2000.
46;;; for CODATA 2005 see
46;;; - http://physics.nist.gov/cuu/Constants/index.html 47;;; - http://physics.nist.gov/cuu/Constants/index.html
47 48
48(defvar math-standard-units 49(defvar math-standard-units
49 '( ;; Length 50 '( ;; Length
50 ( m nil "*Meter" ) 51 ( m nil "*Meter" )
51 ( in "2.54 cm" "Inch" ) 52 ( in "2.54 cm" "Inch" )
52 ( ft "12 in" "Foot" ) 53 ( ft "12 in" "Foot" )
53 ( yd "3 ft" "Yard" ) 54 ( yd "3 ft" "Yard" )
54 ( mi "5280 ft" "Mile" ) 55 ( mi "5280 ft" "Mile" )
55 ( au "149597870691 m" "Astronomical Unit" ) ;; NASA JPL (http://neo.jpl.nasa.gov/glossary/au.html) 56 ( au "149597870691 m" "Astronomical Unit" ) ;; NASA JPL (http://neo.jpl.nasa.gov/glossary/au.html)
56 ( lyr "9460536207068016 m" "Light Year" ) 57 ( lyr "9460536207068016 m" "Light Year" )
57 ( pc "206264.80625 au" "Parsec" ) 58 ( pc "206264.80625 au" "Parsec" )
58 ( nmi "1852 m" "Nautical Mile" ) 59 ( nmi "1852 m" "Nautical Mile" )
59 ( fath "6 ft" "Fathom" ) 60 ( fath "6 ft" "Fathom" )
60 ( u "1 um" "Micron" ) 61 ( mu "1 um" "Micron" )
61 ( mil "in/1000" "Mil" ) 62 ( mil "in/1000" "Mil" )
62 ( point "in/72" "Point (1/72 inch)" ) 63 ( point "in/72" "Point (1/72 inch)" )
63 ( tpt "in/72.27" "Point (TeX conventions)" ) 64 ( Ang "1e-10 m" "Angstrom" )
64 ( Ang "1e-10 m" "Angstrom" ) 65 ( mfi "mi+ft+in" "Miles + feet + inches" )
65 ( mfi "mi+ft+in" "Miles + feet + inches" ) 66 ;; TeX lengths
67 ( texpt "in/72.27" "Point (TeX conventions)" )
68 ( texpc "12 texpt" "Pica" )
69 ( texbp "point" "Big point (TeX conventions)" )
70 ( texdd "1238/1157 texpt" "Didot point" )
71 ( texcc "12 texdd" "Cicero" )
72 ( texsp "1/66536 texpt" "Scaled TeX point" )
66 73
67 ;; Area 74 ;; Area
68 ( hect "10000 m^2" "*Hectare" ) 75 ( hect "10000 m^2" "*Hectare" )
69 ( acre "mi^2 / 640" "Acre" ) 76 ( a "100 m^2" "Are")
70 ( b "1e-28 m^2" "Barn" ) 77 ( acre "mi^2 / 640" "Acre" )
78 ( b "1e-28 m^2" "Barn" )
71 79
72 ;; Volume 80 ;; Volume
73 ( l "1e-3 m^3" "*Liter" ) 81 ( L "1e-3 m^3" "*Liter" )
74 ( L "1e-3 m^3" "Liter" ) 82 ( l "L" "Liter" )
75 ( gal "4 qt" "US Gallon" ) 83 ( gal "4 qt" "US Gallon" )
76 ( qt "2 pt" "Quart" ) 84 ( qt "2 pt" "Quart" )
77 ( pt "2 cup" "Pint" ) 85 ( pt "2 cup" "Pint" )
78 ( cup "8 ozfl" "Cup" ) 86 ( cup "8 ozfl" "Cup" )
79 ( ozfl "2 tbsp" "Fluid Ounce" ) 87 ( ozfl "2 tbsp" "Fluid Ounce" )
80 ( floz "2 tbsp" "Fluid Ounce" ) 88 ( floz "2 tbsp" "Fluid Ounce" )
81 ( tbsp "3 tsp" "Tablespoon" ) 89 ( tbsp "3 tsp" "Tablespoon" )
82 ( tsp "4.92892159375 ml" "Teaspoon" ) 90 ( tsp "4.92892159375 ml" "Teaspoon" )
83 ( vol "tsp+tbsp+ozfl+cup+pt+qt+gal" "Gallons + ... + teaspoons" ) 91 ( vol "tsp+tbsp+ozfl+cup+pt+qt+gal" "Gallons + ... + teaspoons" )
84 ( galC "4.54609 l" "Canadian Gallon" ) 92 ( galC "4.54609 L" "Canadian Gallon" )
85 ( galUK "4.546092 l" "UK Gallon" ) 93 ( galUK "4.546092 L" "UK Gallon" )
86 94
87 ;; Time 95 ;; Time
88 ( s nil "*Second" ) 96 ( s nil "*Second" )
89 ( sec "s" "Second" ) 97 ( sec "s" "Second" )
90 ( min "60 s" "Minute" ) 98 ( min "60 s" "Minute" )
91 ( hr "60 min" "Hour" ) 99 ( hr "60 min" "Hour" )
92 ( day "24 hr" "Day" ) 100 ( day "24 hr" "Day" )
93 ( wk "7 day" "Week" ) 101 ( wk "7 day" "Week" )
94 ( hms "wk+day+hr+min+s" "Hours, minutes, seconds" ) 102 ( hms "wk+day+hr+min+s" "Hours, minutes, seconds" )
95 ( yr "365.25 day" "Year" ) 103 ( yr "365.25 day" "Year" )
96 ( Hz "1/s" "Hertz" ) 104 ( Hz "1/s" "Hertz" )
97 105
98 ;; Speed 106 ;; Speed
99 ( mph "mi/hr" "*Miles per hour" ) 107 ( mph "mi/hr" "*Miles per hour" )
100 ( kph "km/hr" "Kilometers per hour" ) 108 ( kph "km/hr" "Kilometers per hour" )
101 ( knot "nmi/hr" "Knot" ) 109 ( knot "nmi/hr" "Knot" )
102 ( c "2.99792458e8 m/s" "Speed of light" ) 110 ( c "299792458 m/s" "Speed of light" ) ;;; CODATA 2005
103 111
104 ;; Acceleration 112 ;; Acceleration
105 ( ga "9.80665 m/s^2" "*\"g\" acceleration" ) 113 ( ga "9.80665 m/s^2" "*\"g\" acceleration" ) ;; CODATA 2005
106 114
107 ;; Mass 115 ;; Mass
108 ( g nil "*Gram" ) 116 ( g nil "*Gram" )
109 ( lb "16 oz" "Pound (mass)" ) 117 ( lb "16 oz" "Pound (mass)" )
110 ( oz "28.349523125 g" "Ounce (mass)" ) 118 ( oz "28.349523125 g" "Ounce (mass)" )
111 ( ton "2000 lb" "Ton" ) 119 ( ton "2000 lb" "Ton" )
112 ( tpo "ton+lb+oz" "Tons + pounds + ounces (mass)" ) 120 ( tpo "ton+lb+oz" "Tons + pounds + ounces (mass)" )
113 ( t "1000 kg" "Metric ton" ) 121 ( t "1000 kg" "Metric ton" )
114 ( tonUK "1016.0469088 kg" "UK ton" ) 122 ( tonUK "1016.0469088 kg" "UK ton" )
115 ( lbt "12 ozt" "Troy pound" ) 123 ( lbt "12 ozt" "Troy pound" )
116 ( ozt "31.103475 g" "Troy ounce" ) 124 ( ozt "31.103475 g" "Troy ounce" )
117 ( ct ".2 g" "Carat" ) 125 ( ct ".2 g" "Carat" )
118 ( amu "1.66053873e-27 kg" "Unified atomic mass" ) ;; CODATA 1998 126 ( u "1.66053886e-27 kg" "Unified atomic mass" ) ;; CODATA 2005
119 127
120 ;; Force 128 ;; Force
121 ( N "m kg/s^2" "*Newton" ) 129 ( N "m kg/s^2" "*Newton" )
122 ( dyn "1e-5 N" "Dyne" ) 130 ( dyn "1e-5 N" "Dyne" )
123 ( gf "ga g" "Gram (force)" ) 131 ( gf "ga g" "Gram (force)" )
124 ( lbf "4.44822161526 N" "Pound (force)" ) 132 ( lbf "4.44822161526 N" "Pound (force)" )
125 ( kip "1000 lbf" "Kilopound (force)" ) 133 ( kip "1000 lbf" "Kilopound (force)" )
126 ( pdl "0.138255 N" "Poundal" ) 134 ( pdl "0.138255 N" "Poundal" )
127 135
128 ;; Energy 136 ;; Energy
129 ( J "N m" "*Joule" ) 137 ( J "N m" "*Joule" )
130 ( erg "1e-7 J" "Erg" ) 138 ( erg "1e-7 J" "Erg" )
131 ( cal "4.1868 J" "International Table Calorie" ) 139 ( cal "4.1868 J" "International Table Calorie" )
132 ( Btu "1055.05585262 J" "International Table Btu" ) 140 ( Btu "1055.05585262 J" "International Table Btu" )
133 ( eV "ech V" "Electron volt" ) 141 ( eV "ech V" "Electron volt" )
134 ( ev "eV" "Electron volt" ) 142 ( ev "eV" "Electron volt" )
135 ( therm "105506000 J" "EEC therm" ) 143 ( therm "105506000 J" "EEC therm" )
136 ( invcm "h c/cm" "Energy in inverse centimeters" ) 144 ( invcm "h c/cm" "Energy in inverse centimeters" )
137 ( Kayser "invcm" "Kayser (inverse centimeter energy)" ) 145 ( Kayser "invcm" "Kayser (inverse centimeter energy)" )
138 ( men "100/invcm" "Inverse energy in meters" ) 146 ( men "100/invcm" "Inverse energy in meters" )
139 ( Hzen "h Hz" "Energy in Hertz") 147 ( Hzen "h Hz" "Energy in Hertz")
140 ( Ken "k K" "Energy in Kelvins") 148 ( Ken "k K" "Energy in Kelvins")
141 ( Wh "W hr" "Watt hour") 149 ( Wh "W hr" "Watt hour")
142 ( Ws "W s" "Watt second") 150 ( Ws "W s" "Watt second")
143 151
144 ;; Power 152 ;; Power
145 ( W "J/s" "*Watt" ) 153 ( W "J/s" "*Watt" )
146 ( hp "745.7 W" "Horsepower" ) 154 ( hp "745.7 W" "Horsepower" )
147 155
148 ;; Temperature 156 ;; Temperature
149 ( K nil "*Degree Kelvin" K ) 157 ( K nil "*Degree Kelvin" K )
150 ( dK "K" "Degree Kelvin" K ) 158 ( dK "K" "Degree Kelvin" K )
151 ( degK "K" "Degree Kelvin" K ) 159 ( degK "K" "Degree Kelvin" K )
152 ( dC "K" "Degree Celsius" C ) 160 ( dC "K" "Degree Celsius" C )
153 ( degC "K" "Degree Celsius" C ) 161 ( degC "K" "Degree Celsius" C )
154 ( dF "(5/9) K" "Degree Fahrenheit" F ) 162 ( dF "(5/9) K" "Degree Fahrenheit" F )
155 ( degF "(5/9) K" "Degree Fahrenheit" F ) 163 ( degF "(5/9) K" "Degree Fahrenheit" F )
156 164
157 ;; Pressure 165 ;; Pressure
158 ( Pa "N/m^2" "*Pascal" ) 166 ( Pa "N/m^2" "*Pascal" )
159 ( bar "1e5 Pa" "Bar" ) 167 ( bar "1e5 Pa" "Bar" )
160 ( atm "101325 Pa" "Standard atmosphere" ) 168 ( atm "101325 Pa" "Standard atmosphere" ) ;; CODATA 2005
161 ( torr " 1.333224e2 Pa" "Torr" ) ;; NIST (http://physics.nist.gov/Pubs/SP811/appenB9.html) 169 ( Torr " 1.333224e2 Pa" "Torr" ) ;; NIST (http://physics.nist.gov/Pubs/SP811/appenB9.html)
162 ( mHg "1000 torr" "Meter of mercury" ) 170 ( mHg "1000 Torr" "Meter of mercury" )
163 ( inHg "25.4 mmHg" "Inch of mercury" ) 171 ( inHg "25.4 mmHg" "Inch of mercury" )
164 ( inH2O "2.490889e2 Pa" "Inch of water" ) ;; NIST (http://physics.nist.gov/Pubs/SP811/appenB9.html) 172 ( inH2O "2.490889e2 Pa" "Inch of water" ) ;; NIST (http://physics.nist.gov/Pubs/SP811/appenB9.html)
165 ( psi "6894.75729317 Pa" "Pound per square inch" ) 173 ( psi "6894.75729317 Pa" "Pound per square inch" )
166 174
167 ;; Viscosity 175 ;; Viscosity
168 ( P "0.1 Pa s" "*Poise" ) 176 ( P "0.1 Pa s" "*Poise" )
169 ( St "1e-4 m^2/s" "Stokes" ) 177 ( St "1e-4 m^2/s" "Stokes" )
170 178
171 ;; Electromagnetism 179 ;; Electromagnetism
172 ( A nil "*Ampere" ) 180 ( A nil "*Ampere" )
173 ( C "A s" "Coulomb" ) 181 ( C "A s" "Coulomb" )
174 ( Fdy "ech Nav" "Faraday" ) 182 ( Fdy "ech Nav" "Faraday" )
175 ( e "1.602176462e-19 C" "Elementary charge" ) ;; CODATA 1998 183 ( e "1.60217653e-19 C" "Elementary charge" ) ;; CODATA 2005
176 ( ech "1.602176462e-19 C" "Elementary charge" ) ;; CODATA 1998 184 ( ech "1.60217653e-19 C" "Elementary charge" ) ;; CODATA 2005
177 ( V "W/A" "Volt" ) 185 ( V "W/A" "Volt" )
178 ( ohm "V/A" "Ohm" ) 186 ( ohm "V/A" "Ohm" )
179 ( mho "A/V" "Mho" ) 187 ( mho "A/V" "Mho" )
180 ( S "A/V" "Siemens" ) 188 ( S "A/V" "Siemens" )
181 ( F "C/V" "Farad" ) 189 ( F "C/V" "Farad" )
182 ( H "Wb/A" "Henry" ) 190 ( H "Wb/A" "Henry" )
183 ( T "Wb/m^2" "Tesla" ) 191 ( T "Wb/m^2" "Tesla" )
184 ( G "1e-4 T" "Gauss" ) 192 ( Gs "1e-4 T" "Gauss" )
185 ( Wb "V s" "Weber" ) 193 ( Wb "V s" "Weber" )
186 194
187 ;; Luminous intensity 195 ;; Luminous intensity
188 ( cd nil "*Candela" ) 196 ( cd nil "*Candela" )
189 ( sb "1e4 cd/m^2" "Stilb" ) 197 ( sb "1e4 cd/m^2" "Stilb" )
190 ( lm "cd sr" "Lumen" ) 198 ( lm "cd sr" "Lumen" )
191 ( lx "lm/m^2" "Lux" ) 199 ( lx "lm/m^2" "Lux" )
192 ( ph "1e4 lx" "Phot" ) 200 ( ph "1e4 lx" "Phot" )
193 ( fc "10.76391 lx" "Footcandle" ) ;; NIST (http://physics.nist.gov/Pubs/SP811/appenB9.html) 201 ( fc "10.76391 lx" "Footcandle" ) ;; NIST (http://physics.nist.gov/Pubs/SP811/appenB9.html)
194 ( lam "1e4 lm/m^2" "Lambert" ) 202 ( lam "1e4 lm/m^2" "Lambert" )
195 ( flam "3.426259 cd/m^2" "Footlambert" ) ;; NIST (http://physics.nist.gov/Pubs/SP811/appenB9.html) 203 ( flam "3.426259 cd/m^2" "Footlambert" ) ;; NIST (http://physics.nist.gov/Pubs/SP811/appenB9.html)
196 204
197 ;; Radioactivity 205 ;; Radioactivity
198 ( Bq "1/s" "*Becquerel" ) 206 ( Bq "1/s" "*Becquerel" )
199 ( Ci "3.7e10 Bq" "Curie" ) 207 ( Ci "3.7e10 Bq" "Curie" )
200 ( Gy "J/kg" "Gray" ) 208 ( Gy "J/kg" "Gray" )
201 ( Sv "Gy" "Sievert" ) 209 ( Sv "Gy" "Sievert" )
202 ( R "2.58e-4 C/kg" "Roentgen" ) 210 ( R "2.58e-4 C/kg" "Roentgen" )
203 ( rd ".01 Gy" "Rad" ) 211 ( rd ".01 Gy" "Rad" )
204 ( rem "rd" "Rem" ) 212 ( rem "rd" "Rem" )
205 213
206 ;; Amount of substance 214 ;; Amount of substance
207 ( mol nil "*Mole" ) 215 ( mol nil "*Mole" )
208 216
209 ;; Plane angle 217 ;; Plane angle
210 ( rad nil "*Radian" ) 218 ( rad nil "*Radian" )
211 ( circ "2 pi rad" "Full circle" ) 219 ( circ "2 pi rad" "Full circle" )
212 ( rev "circ" "Full revolution" ) 220 ( rev "circ" "Full revolution" )
213 ( deg "circ/360" "Degree" ) 221 ( deg "circ/360" "Degree" )
214 ( arcmin "deg/60" "Arc minute" ) 222 ( arcmin "deg/60" "Arc minute" )
215 ( arcsec "arcmin/60" "Arc second" ) 223 ( arcsec "arcmin/60" "Arc second" )
216 ( grad "circ/400" "Grade" ) 224 ( grad "circ/400" "Grade" )
217 ( rpm "rev/min" "Revolutions per minute" ) 225 ( rpm "rev/min" "Revolutions per minute" )
218 226
219 ;; Solid angle 227 ;; Solid angle
220 ( sr nil "*Steradian" ) 228 ( sr nil "*Steradian" )
221 229
222 ;; Other physical quantities (CODATA 1998) 230 ;; Other physical quantities
223 ( h "6.62606876e-34 J s" "*Planck's constant" ) 231 ( h "6.6260693e-34 J s" "*Planck's constant" ) ;; CODATA 2005
224 ( hbar "h / 2 pi" "Planck's constant" ) 232 ( hbar "h / 2 pi" "Planck's constant" )
225 ( mu0 "4 pi 1e-7 H/m" "Permeability of vacuum" ) 233 ( mu0 "4 pi 1e-7 H/m" "Permeability of vacuum" )
226 ( Grav "6.673e-11 m^3/kg^1/s^2" "Gravitational constant" ) 234 ( G "6.6742e-11 m^3/kg^1/s^2" "Gravitational constant" ) ;; CODATA 2005
227 ( Nav "6.02214199e23 / mol" "Avagadro's constant" ) 235 ( Nav "6.02214115e23 / mol" "Avagadro's constant" ) ;; CODATA 2005
228 ( me "9.10938188e-31 kg" "Electron rest mass" ) 236 ( me "9.1093826e-31 kg" "Electron rest mass" ) ;; CODATA 2005
229 ( mp "1.67262158e-27 kg" "Proton rest mass" ) 237 ( mp "1.67262171e-27 kg" "Proton rest mass" ) ;; CODATA 2005
230 ( mn "1.67492716e-27 kg" "Neutron rest mass" ) 238 ( mn "1.67492728e-27 kg" "Neutron rest mass" ) ;; CODATA 2005
231 ( mu "1.88353109e-28 kg" "Muon rest mass" ) 239 ( mmu "1.88353140e-28 kg" "Muon rest mass" ) ;; CODATA 2005
232 ( Ryd "10973731.568549 /m" "Rydberg's constant" ) 240 ( Ryd "10973731.568525 /m" "Rydberg's constant" ) ;; CODATA 2005
233 ( k "1.3806503e-23 J/K" "Boltzmann's constant" ) 241 ( k "1.3806505e-23 J/K" "Boltzmann's constant" ) ;; CODATA 2005
234 ( fsc "7.297352533e-3" "Fine structure constant" ) 242 ( alpha "7.297352568e-3" "Fine structure constant" ) ;; CODATA 2005
235 ( muB "927.400899e-26 J/T" "Bohr magneton" ) 243 ( muB "927.400949e-26 J/T" "Bohr magneton" ) ;; CODATA 2005
236 ( muN "5.05078317e-27 J/T" "Nuclear magneton" ) 244 ( muN "5.05078343e-27 J/T" "Nuclear magneton" ) ;; CODATA 2005
237 ( mue "-928.476362e-26 J/T" "Electron magnetic moment" ) 245 ( mue "-928.476412e-26 J/T" "Electron magnetic moment" ) ;; CODATA 2005
238 ( mup "1.410606633e-26 J/T" "Proton magnetic moment" ) 246 ( mup "1.41060671e-26 J/T" "Proton magnetic moment" ) ;; CODATA 2005
239 ( R0 "8.314472 J/mol/K" "Molar gas constant" ) 247 ( R0 "8.314472 J/mol/K" "Molar gas constant" ) ;; CODATA 2005
240 ( V0 "22.710981e-3 m^3/mol" "Standard volume of ideal gas" ))) 248 ( V0 "22.710981e-3 m^3/mol" "Standard volume of ideal gas" )))
241 249
242 250
@@ -247,7 +255,9 @@ If this is changed, be sure to set math-units-table to nil to ensure
247that the combined units table will be rebuilt.") 255that the combined units table will be rebuilt.")
248 256
249(defvar math-unit-prefixes 257(defvar math-unit-prefixes
250 '( ( ?E (float 1 18) "Exa" ) 258 '( ( ?Y (float 1 24) "Yotta" )
259 ( ?Z (float 1 21) "Zetta" )
260 ( ?E (float 1 18) "Exa" )
251 ( ?P (float 1 15) "Peta" ) 261 ( ?P (float 1 15) "Peta" )
252 ( ?T (float 1 12) "Tera" ) 262 ( ?T (float 1 12) "Tera" )
253 ( ?G (float 1 9) "Giga" ) 263 ( ?G (float 1 9) "Giga" )
@@ -265,7 +275,9 @@ that the combined units table will be rebuilt.")
265 ( ?n (float 1 -9) "Nano" ) 275 ( ?n (float 1 -9) "Nano" )
266 ( ?p (float 1 -12) "Pico" ) 276 ( ?p (float 1 -12) "Pico" )
267 ( ?f (float 1 -15) "Femto" ) 277 ( ?f (float 1 -15) "Femto" )
268 ( ?a (float 1 -18) "Atto" ))) 278 ( ?a (float 1 -18) "Atto" )
279 ( ?z (float 1 -21) "zepto" )
280 ( ?y (float 1 -24) "yocto" )))
269 281
270(defvar math-standard-units-systems 282(defvar math-standard-units-systems
271 '( ( base nil ) 283 '( ( base nil )