This section introduces priority order, computing direction and descriptions of operators in ReportLite.
| Priority order | Computing direction | Operator | Description | 
| 14 | From left to right | ., [], () | Field access, getting record’s field by position, array index, function call, grouping by expression | 
| 13 | From right to left | -, ! | A unary operator | 
| 12 | From left to right | *, /, % | Multiplication, division, getting remainder | 
| 11 | From left to right | +, - | Addition, string concatenation, subtraction | 
| 10 | From left to right | <, <=, >, >= | Less than, equal to or less than, greater to, equal to or greater than | 
| 9 | From left to right | ==, != | equal to, not equal to | 
| 8 | From left to right | & | Bitwise AND | 
| 7 | From left to right | ^ | Bitwise XOR | 
| 6 | From left to right | | | Bitwise OR | 
| 5 | From left to right | && | Logical AND | 
| 4 | From left to right | || | Logical OR | 
| 3 | From right to left | ?: | A condition | 
| 2 | From right to left | = | Value assignment | 
| 1 | From left to right | ,(comma) | Computation of multiple expressions |