:term:`CFOUR_LINEQ_CONV <CFOUR_LINEQ_CONV (CFOUR)>`
"""""""""""""""""""""""""""""""""""""""""""""""""""

      Convergence threshold for linear equations controlled by LINEQ_TYPE. Equations are iterated until smallest residual falls below :math:`10^{-N}`, where :math:`N` is the value associated with this keyword.

      * **Type**: integer
      * **Default**: 7

