More from James Tanton @jamestanton on twitter.[br][br]Referring [url]http://www.geogebratube.org/student/m144817[/url][br][br]And can you do one that measures the taxicab distance, too. The taxicab distance to (a,b) being |a|+|b|.
Random Walks in the Plane Taxicab Distance
Information: Random Walks in the Plane Taxicab Distance