From the FAA: Effective September 23rd, 2024, the PSI test delivery platform features an enhanced aviation-oriented calculator, including an E6-B flight computer, which will be available for use at any time during any knowledge test administration.

Learning Outcome: Demonstrate a working knowledge of aeronautical charts, VFR navigation methods, navigation systems, radio communications appropriate to private pilot operations and airspace. 

You can purchase the CX-3 on Amazon with this link: https://amzn.to/2U8baoo

You can also use this simulator to practice during the course. You won't be able to use this simulator during the exam: https://online.prepware.com/cx3e/index.html