 David Babsky described the ZX81 as " a wonderfully brainy little micro which won 't let you waste your time and make a fool of yourself " . In a comparison between the ZX81 and IBM PC published in Which Micro ? , he commended the ZX81 's user @-@ friendliness and its on @-@ the @-@ fly syntax checking of BASIC programs , which he described as " the feature that I , as a newcomer to computing , want to see incorporated into every micro . " 
