--- loncom/homework/capa.units	2001/12/04 15:17:56	1.5
+++ loncom/homework/capa.units	2002/04/23 22:30:40	1.7
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Physical Unit definitions
 #
-# $Id: capa.units,v 1.5 2001/12/04 15:17:56 albertel Exp $
+# $Id: capa.units,v 1.7 2002/04/23 22:30:40 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -39,6 +39,7 @@ ampere          A      # electric curren
 kelvin          K      # thermodynamic temperature
 mole            mol    # amount of substance
 candela         cd     # luminous intensity
+decibel         dB     # log of pressure amplitude
 
 #   Prefix     symbol     factor
 << Prefix >>
@@ -76,9 +77,10 @@ gram            g      0.001 kg      # m
 day             day    24.0 hr       # time
 year            yr     365.24 day    # time
 hour            hr     3600. s       # time
+hour            h      3600. s       # time
 minute          min    60 s          # time
 pound           lb     0.45359237 kg # mass
-ounce           oz     1.77185E-3 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