ক্লাস-৯ Compare Function Operation, Arithmetic Commands: (ADD, SUB, MUL, DIV), Move Function Operation. - Automation School | PLC, HMI, SCADA & VFD Training in Bangladeshক্লাস-৯ Compare Function Operation, Arithmetic Commands: (ADD, SUB, MUL, DIV), Move Function Operation. - Automation School | PLC, HMI, SCADA & VFD Training in Bangladesh