After Ten Years Of Research, UMA Mental Arithmetic (大成心算) has developed the world’s most advanced dual hand abacus mental arithmetic system. Now your kids in UMA can learn at least 3 times faster than any other legacy systems. Our founder teacher Zhu personally developed the learning (abacus) tool with tablet which can almost totally replace the actual abacus.


The stark truth is quite striking, with the legacy abacus system, only about 10% students can learn, while most of the students are simply struggling with futility. Even though you are attracted by so much fanfare and and bluffing, your kids will go nowhere.

So, the significance of the UMA’s advanced abacus system is more than the speed, it will decide whether your kids could learn or not. In UMA, now we have pride to guarantee that nearly 100% students can learn to advanced level.

Our new learning system makes learning extremely easy. By building all the complicated mechanism of dual hand abacus mechanism into the learning tool, our learning tool can provide a holistic learning experience for the kids. Your kids will find learning abacus fun and exciting.

How fast can your kids learn indeed in UMA. Typically, for a K2 student, he can go through all the basics by mastering all the formulas in 3~4 months and do very fast realistic count. In less than a year, he is at least at grade 9.

In UMA, we will Never ask the parents to be an abacus teacher, and you will see that your kid can always do his homework very fast by himself. Your kid also DOES NOT have to do extra homework besides the assignment, yet they are still learning 3 times faster.