Direct method may refer to
Direct method (education) for learning a foreign language Direct method (computational mathematics) as opposed to iterative method Direct methods (crystallography) for estimating the phases of the Fourier transform of the scattering density from the corresponding magnitudes, mainly using X-rays Direct methods (electron microscopy) ways to estimate the phase and find atomic positions using electron diffraction Direct method in calculus of variations for constructing a proof of the existence of a minimizer for a given functional Direct method (accounting) as opposed to indirect method for calculating cash flows