I'd prefer to look it up in a table so I don't get it wrong through someone elses programming error.
The best calculator I know though is TILU, a google would get it for you
edit: torte.cs.berkeley.edu:8010/tilu
(,
Tue 20 Apr 2004, 22:24,
archived)
The best calculator I know though is TILU, a google would get it for you
edit: torte.cs.berkeley.edu:8010/tilu