Arguments: object
Returns true if the argument is a ratio and returns nil otherwise. Note that an integer (a fixnum or a
bignum) is not a ratio but is a rational. Integers and ratios
partition rationals.
The documentation is described in introduction.htm and the index is in index.htm.
Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.
Created 2000.10.5.