% -*- texinfo -*-
% @deftypefn {Function File} {} fvl (@var{r}, @var{n}, @var{l})
% Return the future value at the end of @var{n} periods of an initial
% lump sum investment @var{l}, given a per-period interest rate
% @var{r}.
%
% Note that the rate @var{r} is specified as a fraction (i.e., 0.05,
% not 5 percent).
% @end deftypefn