Expressions

Expressions

The following items are legal M expression atoms (expratom). An expression atom is a component of an M expression.

• Local variables
• Global variables
• Intrinsic special variables
• Intrinsic functions
• Extrinsic functions
• Extrinsic special variables
• Numeric literals
• String literals
• An expression enclosed in parentheses
• Any of the above preceded by a unary operator

In addition, any of these items may be combined with a binary operator and another expression atom.