Why PPI?

PPI gold medal serving 4 million engineers

We are the #1 developer of engineering exam prep books. Our books, such as the Civil Engineering Reference Manual and the FE Review Manual, are the must-have exam prep books for engineers around the world. Our prep courses provide this same level of comprehensive, high-quality, and effective training that engineers have come to expect from PPI.

Our founder and president is Michael R. Lindeburg, PE, the leading author of FE and PE exam prep materials. Engineers rely on the “Lindeburg” books to pass their exams. Why not take a course from the source?

We provide a structured homework syllabus to ensure you stay on track and practice as much as possible before exam day.

Our prep course bundles include homework materials, extra practice materials, and helpful resources/tools. We know that watching lectures isn’t enough to pass the exam—you also have to practice on your own as much as possible. This is why we’ve supplemented our courses with our #1 exam prep books and study tools.

We provide free calculator video lessons to ensure you feel confident using the NCEES approved Casio FX-115 ES Plus Calculator on exam day.

We guarantee you'll pass or you can repeat the OnDemand course at any time.