A Math App That Offers an Unusual Human Touch KENNETH CHANG Tabtor offers, along with the usual sums, something seemingly unique: an instructor who tracks a child’s progress and offers feedback. May 20, 2014 at 4:00AM http://nyti.ms/1sMmv79 http://nyti.ms/1ggYVzd The New York Times Science Mathematics, Mobile Applications

By KENNETH CHANG via NYT / Eethg. Corps. Inc. / Terrence Herschel G. Science http://nyti.ms/1sMmv79 A Math App That Offers an Unusual Human Touch May 20, 2014 at 4:00AM http://nyti.ms/1ggYVzd The New York Times