Compustat is listed as Research Insight under the All Programs menu. Not all computers have it. Check the computer lab software research guide for a list of all the software installed on each computer in the InfoArcade. You can find it at http://libguides.uah.edu/pclabs
Compustat should be on computers REF 1-29. Check at the Reference Desk if you need assistance locating one of these computers.