def sqrt(self, ir="", ia="", name="", facta="", **kwargs):
    """Forms the square root of a variable.

    APDL Command: SQRT

    Parameters
    ----------
    ir
        Arbitrary reference number assigned to the resulting variable (2 to
        NV [NUMVAR]).  If this number is the same as for a previously
        defined variable, the previously defined variable will be
        overwritten with this result.

    ia
        Reference number of the variable to be operated on.

    name
        Thirty-two character name identifying the variable on printouts and
        displays.  Embedded blanks are compressed for output.

    facta
        Scaling factor (positive or negative) applied to variable IA
        (defaults to 1.0).

    Notes
    -----
    Forms the square root of a variable according to the operation:
    ``IR=sqrt(FACTA*IA)``
    """
    return self.run(f"SQRT,{ir},{ia},,,{name},,,{facta}", **kwargs)