Sacar porcentajes SV|教育線上App不用買

Math may be extremely boring, don't you think so? Especially for kids, who start to learn this complicated science from the ground up. But we definite...

Abacus Deluxe is a simulation of a real Chinese abacus with many special additional features. The abacus is one of the first machines used for calcula...

The well known Abacus, an excellent tool to teach your kids counting, maths operations and let him play with numbers.How to use:1- The beads in the lo...

*This app is designed to be as close to real wooden school abacus as the latest achievements in technology (augmented reality) would let us. **The bea...

Welcome to new amazing counting game that trains kid's brain and logical abilities and makes educational process more fun and captivating – Abacus Lea...

Abacus Trainer is a question generator made in accord with the abacus skills acquired in addition and subtraction. It provides a whole range of option...