|| System requirements:
Personal Computer: Windows 98, ME, XP, or later; NT 4.0, 2000, Vista, Windows 7, 8, 10, or later.*
Macintosh: Mac OS 9.1 or later; OS X versions 10.1 or later.
Macintosh: This Flash application does not work with iOS tablets or cellphones.
- Launch code: A launch code is required to open the program. It is provided in the instructions or in the case you will receive, below the CD-ROM. If you do not find it or it doesn't work, email email@example.com.
- Teachers: Teachers or others in public or home schools who would like to receive educational material can fill out a brief questionnaire by going to Teachers' Questionnaire.
- Site license: A teacher may install this program in computers in her own classroom or home, but if it is to be used in an entire school, or in a school library, you must purchase a Site License.