	GRAND returns a normally distributed random number with
	zero mean and unit variance to the stack for use by other
	procedures and verbs.

	Syntax:  GRAND

	This is useful if you wish to synthesize data.

	File name: grand.prc

	Example: 

	You wish to generate a fake spectrum:

		BATCH grand.prc
		CENTER=256; HEIGHT=1.25; HWIDTH=20
		GMODEL
		{ D0@ = D0@ + GRAND }
