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# Calculate

(currently disabled)

## Set calculator

Allows `ase.gui` to choose a calculator for internal computations (see below). Different density functional codes and force fields, as well as the EMT calculator are available. For the FHI-aims and VASP calculators, it is also possible to export an entire set of input files.

## Energy and forces

Invokes the currently set calculator and provides energies and optional forces for all atoms.

## Energy minimization

Runs an ASE relaxation using the currently selected calculator with a choice of relaxation algorithm and convergence criteria. Great for quickly (pre-)relaxing a molecule before placing it into a bigger system.