CAT - Constitutional Analysis Tool is for every school, university, college, professor, teacher, student, scholar, and engaged citizen, in every country on earth. If you are able to use an Internet search engine you are able to use CAT. So children can use it in their history and social studies classes. Imagine quantitative data being consistently presented from our most important documents, from our history, for our future. It comes preloaded with various National and USA state constitutions. You can use the Internet to find other constitutions and bring them into CAT for your studies CAT comes with the Apache server, works with your browser, and runs completely on your computer.