About: http://webisa.webdatacommons.org/376793278

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Prior to that time, large dedicated rms modules, such as Model 440, existed, but the only ICs available in that class were analog multipliers, which can be used for rms in cumbersome, expensive circuits employing squaring and division.
http://www.w3.org/ns/prov#wasQuotedFrom	analog.com