--- loncom/homework/capa.units	2000/09/11 21:14:58	1.1
+++ loncom/homework/capa.units	2001/10/08 20:15:57	1.4
@@ -46,6 +46,8 @@ yocto            y         10^{-24}
 <<Derived Unit>>
 
 gram            g      0.001 kg      # mass
+day             day    24.0 hr       # time
+year            yr     365.24 day    # time
 hour            hr     3600. s       # time
 minute          min    60 s          # time
 pound           lb     0.45359237 kg # mass
@@ -58,7 +60,7 @@ nautical_mile   n_mi   6080 ft       # l
 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
+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
@@ -92,6 +94,7 @@ becquerel       Bq     1/s           # a
 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
+farenheight     degF   .5555555555 K # multiplicatively OK