2-54 TSP Programming Fundamentals Series 2600 System SourceMeters Reference Manual
2600S-901-01 Rev. A / May 2006 Return to Section 2 topics
Nil is a type with a single value, nil, whose main property is to be different from
any other value. Global variables have a
nil value by default—before a first
assignment—and you can assign
nil to a global variable to delete it. TSL uses
nil
as a kind of non-value to represent the absence of a useful value.
Operators
Arithmetic Operators: Relational Operators: Logical Operators:
+ (addition) < (less than) and
- (subtraction) > (greater than) or
* (multiplication) <= (less than or equal) not
/ (division) >= (greater than or equal)
- (negation) ~= (not equal)
== (equal)
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