UMA Mental Arithmetic(大成心算) is a profession dual-hand abacus mental arithmetic institute headquartered in Singapore.
We developed the innovative phone/tablet based digital abacus to help students to learn faster and better.
With our break-through methodology, almost all of the students can master the skills of dual-hand abacus successfully.
We integrated the mechanisms of dual-hand abacus into the phone and tablet devices which makes learning easy and fun.
To install for all platforms, please navigate to http://uma.sg/apps to install the version compatible with your devices.To Join UMA, call use +65-67596978 or email us at [email protected] Address: Block 845 Yishun Street 81 #02-180 S760845Our website: http://www.uma.sg
https://andro.io/app/abacus-u0w9
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UMA Abacus for Android – Latest Version & Features
by Zhu Shuihua
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