To help you pass the Oregon real estate exam, these exam prep courses and books help you with the national and state portions of the Oregon real estate exam to become a real estate agent. The official real estate exam in Oregon is run by PSI (see www.psiexams.com for locations, etc.) and called the "PSI real estate exam." The PSI exam consists includes some questions that are "national" (general concepts and rules that are common in all states) and state-specific (involves Oregon state real estate regulations). So, you can buy national PSI exam prep and/or Oregon state exam prep. These exam preparation materials can help show you how to pass the real estate exam.