17 Tangent Planes and Normal Lines Mathematics LibreTextsCompute the tangent flat surface of a given function with the help of a calculator. Find the flat surface that touches a particular location on a diagram. Employ this innovative resource to establish the gradient and orientation of the plane at different spots along the expression. Get precise results instantly with our convenient calculator for tangent planes. Discover the tangent direction flat surface at this moment for a improved understanding of your expression's behavior.