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capa.units
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version_2_12_X,
version_2_11_X,
version_2_11_5_msu,
version_2_11_5,
version_2_11_4_uiuc,
version_2_11_4_msu,
version_2_11_4,
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version_2_11_0_RC3,
version_2_11_0_RC2,
version_2_11_0_RC1,
version_2_11_0,
version_2_10_X,
version_2_10_1,
loncapaMITrelate_1,
language_hyphenation_merge,
language_hyphenation,
HEAD,
BZ4492-merge,
BZ4492-feature_horizontal_radioresponse,
BZ4492-feature_Support_horizontal_radioresponse,
BZ4492-Support_horizontal_radioresponse
degF was not working (and mispelled, too)
# The LearningOnline Network with CAPA
# Physical Unit definitions
#
# $Id: capa.units,v 1.17 2011/06/08 20:29:04 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
#
# ======================= Unit section =============
# Base Unit
# name symbol comment
<< Base Unit >>
meter m # length
kilogram kg # mass
second s # time
ampere A # electric current
kelvin K # thermodynamic temperature
mole mol # amount of substance
candela cd # luminous intensity
decibel dB # log of pressure amplitude
# Prefix symbol factor
<< Prefix >>
yotta Y 10^{24}
zetta Z 10^{21}
exa E 10^{18}
peta P 10^{15}
tera T 10^{12}
giga G 10^9
mega M 10^6
kilo k 10^3
hecto h 10^2
deca D 10^1
deci d 10^-1
centi c 10^-2
milli m 10^-3
micro u 10^-6
nano n 10^-9
pico p 10^{-12}
femto f 10^{-15}
atto a 10^{-18}
zepto z 10^{-21}
yocto y 10^{-24}
# Derived Unit
# name symbol unit comment
# name must be in oneword
<<Derived Unit>>
gram g 0.001 kg # mass
minute min 60 s # time
hour hr 3600. s # time
hour h 3600. s # time
day day 24.0 hr # time
day days 24.0 hr # time
year yr 365.24 day # time
pound lb 0.45359237 kg # mass
ounce oz 2.83495E-2 kg # mass
inch in 2.54 cm # length
foot ft 12 in # length
mile mi 5280 ft # length
yard yd 0.9144 m # length
nautical_mile n_mi 6080 ft # length, nautical mile (UK)
rood rood 1210 yd^2 # area, rood
acre acre 4840 yd^2 # area, acre
hertz Hz 1/s # frequency
litre L 10^3*cm^3 # volume
newton N m*kg/s^2 # force
pound_force lbf 4.44822 N # force
dyne dyn 1E-5 N # force
pascal Pa N/m^2 # pressure, stress
bar bar 1E5 Pa # pressure
mmHg mmHg 1.33322E2 Pa # pressure, millimeter of mercury
torr torr 1 mmHg # pressure
atm atm 760 torr # standard atmosphere
joule J N*m # energy, work, heat
electronvolt eV 1.6021892E-19 J # energy
calorie cal 4.1868 J # energy
Btu Btu 1.05506E3 J # energy
watt W J/s # power, radiant flux
coulomb C A*s # electric charge
volt V J/C # electric potential, electromotive force
ohm ohm V/A # electric resistance, use this in /ANS
ohm ohms V/A # electric resistance
ohm Ohm V/A # electric resistance
ohm Ohms V/A # electric resistance
mho mho 1/ohm # electric conductance
mho mhos 1/ohm # electric conductance
mho Mho 1/ohm # electric conductance
mho Mhos 1/ohm # electric conductance
siemens S 1/Ohm # electric conductance
farad F C/V # electric capacitance
tesla T V*s/m^2 # magnetic flux density
weber Wb V*s # magnetic flux
henry H V*s/A # inductance
radian rad m/m # plane angle
degree deg 1.745329E-2 rad # plane angle (Pi rad=180 deg)
steradian sr m^2 /m^2 # solid angle
lumen lm cd*sr # luminous flux
lux lx cd*sr/m^2 # illuminance
becquerel Bq 1/s # activity (radioactive)
curie Ci 3.70E10 Bq # activity (radioactive)
gray Gy J/kg # absorbed dose (of radiation)
sievert Sv J/kg # dose equivalent (dose equivalent index)
astroUnit AU 1.49598E11 m # mean distance earth to sun
celcius degC 1 K # multiplicatively OK
fahrenheit degF 0.555555555 K # multiplicatively OK
molarity M mol/L # chemisty
amu amu 1.66053873e-27 kg # atomic mass unit
amu u 1.66053873e-27 kg # atomic mass unit
lightspeed c 299792458 m/s # speed of light
cubiccentimeter cc cm^3 # cubic centimeter
electroncharge e 1.6021892E-19 C # elementary charge
hbar hbar 1.05457148E-34 m^2*kg/s # Planck constant
milesperhour mph 0.44704 m/s # miles per hour
rpm rpm 0.0166666667/s # rounds per minute
rpm rpms 0.0166666667/s # rounds per minute
parsec pc 3.08568025E16 m # parsec
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