The app helps users develop mental calculation speed by simulating an abacus. It presents ten figures sequentially for addition, allowing users to become familiar with abacus techniques.
The app allows users to create daily schedules using image cards with attached sounds and voices. It is designed for children and adults to manage tasks in an organized manner through an intuitive interface.
Explore through mathematical concepts. Calculate note frequencies using the 12th root of 2. Visualize octaves and intervals with ratio comparisons. Adjust semitones to see frequency changes. Link musical notes to their corresponding frequencies.
