Defining a spin system
Specifying line broadenings

EPR spectral simulations and fitting

• Isotropic and fast-motion cw EPR spectra: tutorial, reference
• Slow-motion cw EPR spectra: tutorial, reference
• Solid-state cw EPR spectra: tutorial, reference
• Solid-state ENDOR spectra: tutorial, reference
• Least-squares fitting: tutorial, reference

There is also a collection of examples.

Spectral simulations: pepper | garlic | chili | salt | saffron || esfit
All functions: by category or alphabetically

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New features and changes, from release to release

Installation procedure

Field/frequency conversion utility

Rotations and Euler angles
Line shapes

Spin operators and matrices
Spin Hamiltonian
High-order spin operators
Linewidths in the fast-motion regime

Nuclear isotope table