HP 48gII Graphing, 50g Graphing manual Eval, Exlr, Obj See above, →Num, Syseval

EVAL

Type: Command

Description: Evaluate Object Command: Evaluates the object.

The following table describes the effect of the evaluation on different object types.

		Object Type		Effect of Evaluation
	Local Name		Recalls the contents of the variable.
	Global Name		Calls the contents of the variable:
			• A name is evaluated.
			• A program is evaluated.
			• A directory becomes the current directory.
			• Other objects are put on the stack.
			If no variable exists for a given name, evaluating the
			name returns the name to the stack.
		Program	Enters each object in the program:
			• Names are evaluated (unless quoted).
			•	Commands are evaluated.
			• Other objects are put on the stack.
		List	Enters each object in the list:
			•	Names are evaluated.
			•	Commands are evaluated
			•	Programs are evaluated.
			• Other objects are put on the stack.
		Tagged	If the tag specifies a port, recalls and evaluates the
			specified object. Otherwise, puts the untagged
			object on the stack.
		Algebraic	Enters each object in the algebraic expression:
			•	Names are evaluated.
			•	Commands are evaluated.
			• Other objects are put on the stack.
	Command, Function, XLIB Name		Evaluates the specified object.
	Other Objects		Puts the object on the stack.
	To evaluate a symbolic argument to a numerical result, evaluate the argument in Numerical
	Results mode (flag –3 set) or execute →NUM on that argument.
Access:	N
Flags:	Numerical Results (–3)
Input/Output:
		Level 1/Argument 1		Level 1/Item 1
		obj		→	(see above)
	→NUM,
See also:		SYSEVAL
EXLR
Type:	Command
Description:	Returns the left and righthand sides of an equa tion as discrete expressions.

Full Command and Function Reference 377