gers the use of Tamm-Dancoff approximation in TD-DFT or BSE.</li><br>
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<a name=tddft_grid_quality><li>                 <span style="display:inline-block;background:#EEEEEE;width:400px">               <b>tddft_grid_quality</b>  </span>  
<br><br>
<i>Optional</i><br>
Default: high<br><br>
Sets the number of grid points use to evaluate the exchange-correlation integrals in real space for the TDDFT kernel. Possible values are 'low', 'medium', 'high', 'very high', 'insane'. It could be abbreviated in 'l', 'm