Notes Notes from 2010 and 2011: Partial summary of dimensional analysis On the method of characteristics Boundary value problems for conservation laws Notes and lecture notes of H. Krogstad from 2009 and 2011: Dimensjonsanalyse, skalering og regulær perturbasjon / Dimensional Analysis, Scaling, and Regular Perturbation Population Models / Populasjonsmodeller Modeller basert på bevarelsesprinsipper / Models based on conservation principles Solution of first order PDEs Endimensjonale konserveringslover Slides for kidney modeling Slides on quenching reaction Notes of H. Hanche-Olsen from <2005: Buckingham's pi-theorem Conservation laws and continuum mechanics Similarity solutions of the heat equation