*m*km/s^2;
(%o10)                   (6241509596477042688000) (eV)
(%i11) uforget([dyn,eV]);
(%o11)                           [false, false]
(%i12) kg*m/s^2;
(%o12)                                 N
(%i13) kg*m^2/s^2;
(%o13)                                 J
(%i14) kg*m^3/s^2;
(%o14)                                J m
(%i15) kg*m*km/s^2;
(%o15)                            (1000) (J)
</pre>
<p>Without <code>usersetunits</code>, the initial inputs would have been converted
to MKS, and uforget would have resulte