[comp.lang.scheme] Need letrec

cs325ec@ux1.cso.uiuc.edu (03/02/90)

	If anyone has some time, could you take the time to mail
	me a letrec funtion definition (or macro) that will work
	on the simplest of scheme implementations... i.e. only
	+,- etc., null? car, cons etc.

	Thanks

	-Greg