In this 1 hour and 33 minute lecture from the ICTP-SAIFR Minicourse on Partial Differential Equations: Analytical and Numerical Tools, Professor Oscar Reula from the National University of Córdoba, Argentina conducts a revision session for Lab 1. Learn essential analytical and numerical techniques for solving partial differential equations as part of the comprehensive program running from May 5 to June 30, 2025. The session serves as a review of key concepts covered in the laboratory component of the course, helping to reinforce understanding of fundamental PDE principles and their applications.