Revision history for Perl extension Algorithm-CurveFit. 1.05 Sat Jun 5 10:14 2010 - Compile functions to Perl subs when possible for performance. - Fall back to numeric derivative using five-point stencil if the symbolic derivative has a pole (or otherwise breaks down). 1.04 Tue Mar 3 17:25 2009 - Require Math::Symbolic 0.602 due to bug fix. 1.03 Mon Dec 18 13:46 2006 - Add an example to the distribution which was sitting on my hard drive anyway. 1.02 Thu Oct 06 21:14 2005 - Distribution upgrade - Now uses Module::Build. - POD coverage tests. - Better META.yml - etc. 1.01 Tue Sep 13 21:58 2005 - Added additional parameter checks and more helpful error messages. - Now also accepts Math::Symbolic trees as formulas. 1.00 Mon Apr 25 16:25 2005 - original version as uploaded to CPAN