Prathyush@prathyvsh·Feb 11, 2017@vgr Hey, were there any precursors to this visual structure of philosopher's abacus? http://ribbonfarm.com/2010/06/30/the-philosophers-abacus/…1
Prathyush@prathyvsh·Feb 11, 2017Replying to @vgrSo was an independent discovery? Think I stumbled on something that looks eerily similar.1