Example image of eyePlorer eyePlorer map for 'Legendre transformation': Adrien-Marie Legendre Function (mathematics) Function of a real variable List of transforms Mathematics Real number Derivative Graph of a function Tangent Y-intercept Convex function Functional equation Integral transform Duality (projective geometry) Convex conjugate Hamiltonian mechanics Thermodynamics Integration by parts Empirical formula Enthalpy Entropy Intensive and extensive properties Pressure Volume Gibbs free energy Helmholtz free energy Thermodynamic free energy Thermodynamic temperature Classical mechanics Lagrangian mechanics Coordinate system Lagrangian Momentum Velocity Calculation Theory Angle Rectilinear Symmetry Capacitor Cylinder (engine) Force Gas Physics Piston Electric charge Electrostatics Euclidean vector Gradient Battery (electricity)