Ultratechs
Ultratechs published 2 applications on Google Play, 100 people rated these apps with an average rating of 2.06!
Abacus MasterAbacus Master is an interactive automated tutor built to train you on the Abacus calculation techniques.You can learn the basics of using Abacus:- Representing numbers.- Performing a simple addition and subtraction tasks.You can test your Abacus calculati
Free Game