This and the other unicode modules are designed for relatively modern computers running modern operating systems (Windows 2000 or XP, Mac OS X 10.2 or later) and with up-to-date versions of browsers. An appropriate font may already be present in your system. For more information, use the link for "Fonts and Browser Settings" on the Ancient Greek Tutorials home page.
First select a unit or range of units to drill, and the type of drill. Then click START DRILL to begin; thereafter click NEXT ACTION until set is complete or you reset the range.