These learning modules have been developed by John M. Cimbala, Professor of Mechanical Engineering at the Pennsyvania State University.

• Dimensions, Units, Conversion Factors, and Significant Digits - A general review of dimensions and units, and the different unit systems (English vs. Metric). Also a discussion about the importance of significant digits.
• The Ideal Gas Constant - A discussion of molecular weight, the universal gas constant, and the specific gas constant.
• The Runge-Kutta marching technique - A discussion and explanation of how the 4^th-order accurate Runge-Kutta marching technique works.