| +, -, *, / | Add, Subtract, Multiply, Divide |
| SQRT( ), ABS( ) | Square Root, Absolute Value |
| IF, THEN, ELSE | Conditional decision branches |
| <, >, =, >< | Less, Greater, Equal, Not Equal |
| BETWEEN | Between |
| AND, OR, XOR | Boolean operators |
| ON-FOR, OFF-FOR, ON-FOR<, OFF-FOR< |
Start/Stop time delays, minimum and maximum delays |
| DO-EVERY | Periodic control action |
| GOTO, CALL | Program redirection |
| START, STOP | Start and stop control |
| DATA | Data extraction from any point |
| C-ON, C-OFF | Supervisory program control |
| HOUR, DAY, MONTH, TIME, DATE, WEEKDAY, HOLIDAY |
Time scheduling functions |
| MESSAGE | Message output to terminal modem port or external system. |