• Replaced guestbook. (Feb 11, 2010)
• Interval Test pages: 1. Radio buttons now clear properly in the Safari browser when 'Start Over' is clicked. 2. Test results pop-up box updated. (Jan 4, 2010)
• Interval Test pages: Test questions can now be heard via audio players on the page (as well as on the computer's audio player). (Feb 7, 2009)
• Interval listening pages: The intervals can now be heard via audio players on the page (as well as on the computer's audio player). (Jan 27, 2009)
• Interval tests: In addition to the existing test result message indicating which (if any) intervals need further study, any missed questions are now also marked with an 'x'. (Nov 18, 2007)