Digital Abacus Calculator is an Android app developed by Computational Lab. This free app is designed to teach users how to use an abacus virtually. With its digital display, users can easily understand how to place beads on the abacus and make calculations.

The app is a great tool for those who want to learn how to use an abacus or for those who want to practice using one. It is easy to use and provides a fun way to learn. The app does not require an internet connection, making it accessible anywhere and at any time.

The app requires an Android device with a RAM of 1GB or more to run smoothly. It has been tested on Samsung Grand 2, Huawei Y336, and Lenovo A3300 with no issues. Overall, Digital Abacus Calculator is a useful and entertaining app for those who want to learn how to use an abacus virtually.