Sorry for the quickly released new version, but two great AVR Freaks members found some serious, but easy to fix issues, with kavrcalc. Thanks, guys!
Version 1.11 is now available from http://www.b9.com/elect/avr/kavr... . From the ChangeLog:
Version 1.11 (Feb 10, 2008) - Fix bug when push enter in "Desired Time" in Timer calculator - Fix scaling bug in displaying CTC frequency
Edit: Fix URL -- thanks, Carl!