This file contains slides on Mathcad Functions for Fluid properties--- Useful in Convection heat transfer calculations. The slides were prepared while teaching Heat Transfer course to the M.Tech. students in Mechanical Engineering Dept. of St. Joseph Engineering College, Vamanjoor, Mangalore, India, during Sept. – Dec. 2010. It is hoped that these Slides will be useful to teachers, students, researchers and professionals working in this field. Contents: Mathcad Functions for properties of: Air, Ammonia, Ethyl alcohol, Ethylene glycol, Un-used engine oil, Glycerin, Lead, and Mercury