TheoryBook Compact

TheoryBook Compact (formerly called TheoryBook Mini) is a line of TSUG sub-notebook computers manufactured by Theorysonic. It's an entry-level to mid-range Theorysonic laptop computer compared to high-end TheoryBook.

History
TheoryBook Compact was first released in March 1995 as TheoryBook Mini. It was a commercial success because they're cheaper than the TheoryBook.

Software
The TheoryBook Compact runs TSUG. The latest version is TSUG X7.