Text and background colors can be changed for every file. Maximum learning, very relaxing. All documentation also on web pages - check it out fast. Strictest privacy policy on the web. No counters, no ads.
Catechism is a free learning aid based on teaching by repetitive questioning.
Great as a companion for learning a language. Create your own question sets or download them from a sharing library. Allow the computer to ease you through a block of new words with the intelligent tutor mode. Teach kids to tell times with five difficult levels. Music playing and instrument encyclopedia.