CPC Subgroup
G06G 7/52 for economic systems; for statistics (G06G7/122, G06G7/19 take precedence)
Full Title
Devices in which the computing operation is performed by varying electric or magnetic quantities > Analogue computers for specific processes, systems or devices, e.g. simulators > for economic systems; for statistics (G06G7/122, G06G7/19 take precedence)