In this Unreal Engine tutorial, I explained the most important Mathematical Nodes used in Material Attributes to create better materials and shaders. In this video, you’ll learn how Add, Subtract, Divide, Power, Clamp, OneMinus (1-X), Mask, Panner, Rotator, Sine, and Fresnel nodes work, and how to use them properly inside the Material Editor. This tutorial is beginner-friendly and perfect for students and artists who want to improve their understanding of Unreal Engine materials.
https://dev.epicgames.com/community/learning/tutorials/x1Bp/unreal-engine-understanding-mathematical-nodes-in-material-attributes