# Tutorials¶

We show in these tutorials how to use the FFT classes. These classes are the basic components of FluidFFT. Note however that for most users, it’s going to be simpler to use directly the “operators” classes fluidfft.fft2d.operators.OperatorsPseudoSpectral2D and fluidfft.fft3d.operators.OperatorsPseudoSpectral3D.