You can use text expressions to generate partial or complete arithmetic or logical expressions. The macro processor resolves text expressions before it evaluates the arithmetic or logical expressions.

Tests of characteristics associated with PUIDs are made in a form or mathematical logic known as a Boolean expression (after George Boole who invented it). A Boolean expression combines ...

operand something to be operated on. An operand can be a variable, a SAS function, or a constant. See Specifying an Operand. operator a symbol that requests a comparison, logical operation, or ...

As seen in earlier articles, the only two possible states of information for digital electronics are true and false. Be it an electric current, a numeric datum, or a variable of any kind, the system’s ...

In this research the basic aspects of applying logical expression as fuzzy logic to a seismic data set and its application in reservoir characterization are proposed. In addition, the simple ...

Switching algebra is easily visualized using switches since there are only two values: on and off, or true and false. In digital systems we represent these as 1 and 0, respectively. There are only two ...