Not sure it&#x27;s generational as I&#x27;m under 30 so I&#x27;m not <i>that</i> old :\.<p>As far as I hear it used, &quot;code(s)&quot; is the standard term for what is loosely any large simulation package amongst people in the numerical community (which includes mathematicians and computer scientists alike, so it&#x27;s not just an engineering thing).