3.0 Variables Scripts may contain variables. Variable names must begin with a letter or an underscore ('_'), and may contain any sequence of upper- or lower-case letters, digits, and underscores. You cannot use a reserved word as a variable name. For more information, see the list of reserved words at the end of this document. You must declare variables before you use them. When you declare a variable, you must also define its type. A …
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showed last 75 words of 596 total
…indicated by their position in the table. The unary operators are: Operator Type of Operation - Unary minus ! One's complement The binary operators are listed in the following table in their order of precedence. Operators with higher precedence are listed first: Operators Type of Operation Type Restrictions * / Multiplicative Integers + - Additive integers Strings (+ only) < > <= >= Relational Integers == != Equality Integers, strings, booleans and Logical AND Booleans or Logical OR Booleans Examples: count = 3 + 5 * 40 transmit "Hello" + " there" delay 24 / (7 - 1)