Way to calculate division between two images

it is possible in Slicer to calculate a division between two images? what is the best way? I’d like to divide two parametric maps one by another

Probably the easiest is to access the volumes as numpy arrays and divide them. Be sure the two volumes are resampled to the same grid.

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For reference, here is a complete example: https://www.slicer.org/wiki/Documentation/Nightly/ScriptRepository#Combine_multiple_volumes_into_one