计算表达式

Synopsis

num = EXPEVL/name_string[,IFERR,label:]

Description

Evaluates an expression. This command accepts the name of the expression to evaluate and returns its value.

Parameters

name_string

The name of the expression string to evaluate.

IFERR,label:

Specifies a label to which program execution jumps if an error occurs during the evaluation of an expression.

name_string	The name of the expression string to evaluate.
IFERR,label:	Specifies a label to which program execution jumps if an error occurs during the evaluation of an expression.