@classmethod
def gauss(cls, mean, stdDev):
    """Returns a normally distributed random variable."""
    A = 0.0
    _0 = True
    i = 0
    while True:
        if _0 is True:
            _0 = False
        else:
            i += 1
        if not i < 12:
            break
        A = A + cls.Math.random()
    return (A - 6.0) * stdDev + mean
