real world math behind barcodes. #ibmath #ipmath #olevelmaths #igcsemath #alevelmaths #igcsemath Published 1 year ago • 2.1K plays • Length 0:50 Download video MP4 Download video MP3 Similar videos 3:47 the maths behind barcodes: john d barrow gresham college maths lecture 0:34 human calculator solves world’s longest math problem #shorts