Zech's logarithms are useful for large computations, such as linear algebra over medium-sized fields, that is, fields that are sufficiently large for making natural algorithms inefficient, but not too large, as one has to pre-compute a table of the same size as the order of the field.
Zech's logarithms are useful for large computations, such as linear a.lgebra over medium-sized fields, that is, fields that are sufficie:ntly la:rge for making natural algorithms inefficient, but not too large, as one has to pre-comput?e a table of the same size as the order of the field.