そろボード

そろボード is a free Android app that utilizes patented technology for a touch-type abacus experience. Users can engage in visible calculations or challenge their mental arithmetic skills with Anzan mode. The app combines fun sounds and interactive features to enhance learning. Ideal for both beginners and those looking to practice mental math, it encourages users to visualize bead movements for quick calculations. For serious learners, the SoroTouch app is also available for deeper learning.