File:  [LON-CAPA] / loncom / homework / capa.units
Revision 1.4: download - view: text, annotated - select for diffs
Mon Oct 8 20:15:57 2001 UTC (22 years, 7 months ago) by albertel
Branches: MAIN
CVS tags: stable_2001_fall, HEAD
- added degC and degF only okay to use with delta changes not absolute tempatures.

    1: # 
    2: # ======================= Unit section =============
    3: # Base Unit
    4: # name      symbol     comment
    5: 
    6: << Base Unit >>
    7: 
    8: meter           m      # length
    9: kilogram        kg     # mass
   10: second          s      # time
   11: ampere          A      # electric current
   12: kelvin          K      # thermodynamic temperature
   13: mole            mol    # amount of substance
   14: candela         cd     # luminous intensity
   15: 
   16: #   Prefix     symbol     factor
   17: << Prefix >>
   18: 
   19: yotta            Y         10^{24}
   20: zetta            Z         10^{21}
   21: exa              E         10^{18}
   22: peta             P         10^{15}
   23: tera             T         10^{12}
   24: giga             G         10^9
   25: mega             M         10^6
   26: kilo             k         10^3
   27: hecto            h         10^2
   28: 
   29: deci             d         10^-1
   30: centi            c         10^-2
   31: milli            m         10^-3
   32: micro            u         10^-6
   33: nano             n         10^-9
   34: pico             p         10^{-12}
   35: femto            f         10^{-15}
   36: atto             a         10^{-18}
   37: zepto            z         10^{-21}
   38: yocto            y         10^{-24}
   39: 
   40: 
   41: 
   42: 
   43: # Derived Unit
   44: # name       symbol     unit          comment
   45: # name must be in oneword
   46: <<Derived Unit>>
   47: 
   48: gram            g      0.001 kg      # mass
   49: day             day    24.0 hr       # time
   50: year            yr     365.24 day    # time
   51: hour            hr     3600. s       # time
   52: minute          min    60 s          # time
   53: pound           lb     0.45359237 kg # mass
   54: ounce           oz     1.77185E-3 kg # mass
   55: inch            in     2.54 cm       # length
   56: foot            ft     12 in         # length
   57: mile            mi     5280 ft       # length
   58: yard            yd     0.9144 m      # length
   59: nautical_mile   n_mi   6080 ft       # length, nautical mile (UK)
   60: rood            rood   1210 yd^2     # area, rood
   61: acre            acre   4840 yd^2     # area, acre
   62: hertz           Hz     1/s           # frequency
   63: litre           L      10^3*cm^3     # volume
   64: newton          N      m*kg/s^2      # force
   65: pound_force     lbf    4.44822 N     # force
   66: dyne            dyn    1E-5 N        # force
   67: pascal          Pa     N/m^2           # pressure, stress
   68: bar             bar    1E5 Pa          # pressure
   69: mmHg            mmHg   1.33322E2 Pa    # pressure, millimeter of mercury
   70: torr            torr   1 mmHg          # pressure
   71: atm             atm    760 torr        # standard atmosphere
   72: joule           J      N*m             # energy, work, heat
   73: electronvolt    eV     1.6021892E-19 J # energy
   74: calorie         cal    4.1868 J        # energy
   75: Btu             Btu    1.05506E3 J     # energy
   76: watt            W      J/s             # power, radiant flux
   77: coulomb         C      A*s             # electric charge
   78: volt            V      J/C           # electric potential, electromotive force
   79: ohm             ohm    V/A           # electric resistance, use this in /ANS
   80: ohm             ohms   V/A           # electric resistance
   81: ohm             Ohm    V/A           # electric resistance
   82: ohm             Ohms   V/A           # electric resistance
   83: siemens         S      1/Ohm         # electric conductance
   84: farad           F      C/V           # electric capacitance
   85: tesla           T      V*s/m^2       # magnetic flux density
   86: weber           Wb     V*s           # magnetic flux
   87: henry           H      V*s/A         # inductance
   88: radian          rad    m/m            # plane angle
   89: degree          deg    1.745329E-2 rad # plane angle (Pi rad=180 deg)
   90: steradian       sr     m^2 /m^2        # solid angle
   91: lumen           lm     cd*sr         # luminous flux
   92: lux             lx     cd*sr/m^2     # illuminance
   93: becquerel       Bq     1/s           # activity (radioactive)
   94: gray            Gy     J/kg          # absorbed dose (of radiation)
   95: sievert         Sv     J/kg          # dose equivalent (dose equivalent index)
   96: astroUnit       AU     1.49598E11 m  # mean distance earth to sun
   97: celcius         degC   1 K           # multiplicatively OK
   98: farenheight     degF   .5555555555 K # multiplicatively OK
   99: 
  100: 

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