This table lists the symbols and how they are used in user defined programs in Fernhill SCADA:
| Symbol | Unicode Character | Description |
|---|---|---|
| " | U+0022 Quotation Mark | Begins and ends a double byte string. |
| # | U+0023 Number Sign | Delimiter that follows a type or radix prefix |
| $ | U+0024 Dollar Sign | Escape character in single and double byte strings. |
| ' | U+0027 Apostrophe | Begins and ends a single byte string. |
| ( | U+0028 Left Parenthesis | Begins: a subexpression, or a subrange, or a list of enumerated values, or a list of initial values for a structure, |
| ) | U+0029 Right Parenthesis | Ends: a subexpression, or a subrange, or a list of enumerated values, or a list of initial values for a structure |
| * | U+002A Asterisk | The multiply operator. |
| + | U+002B Plus Sign | The addition operator. |
| , | U+002C Comma | Separator between parameters to a function, or indexes in an array reference |
| - | U+002D Hyphen Minus | The subtraction operator. |
| . | U+002E Full Stop | The struct member operator. |
| / | U+002F forward slash | The Division operator, or the start of a single-line comment. |
| : | U+003A Colon | Separator between a declaration and its type, or part of the assignment operator. |
| ; | U+003B Semicolon | End of statement delimiter |
| < | U+003C Less Than Sign | Used in comparison operators. |
| = | U+003D Equal Sign | Used in comparison operators, assignment operator, and output operator. |
| > | U+003E Greater Than Sign | Used in comparison operators. |
| @ | U+0040 Commercial At | Address of operator. |
| [ | U+005B Left Square Bracket | Array index operator. |
| ] | U+005D Right Square Bracket | Array index operator. |
| ^ | U+005E Circumflex Accent | Pointer dereference operator. |
For the formal definition of Unicode characters.
For the meaning of terms used in Fernhill SCADA.