Practice math with addition, subtraction, multiplication, and division. Choose operations, set problem ranges up to 12 or 25, and customize problem sets. Adjust layout for left-handed or right-handed use.
A math game where users solve addition, subtraction, multiplication, and division problems within a 20-second time limit. Select symbols to input answers in a hatena box. Compete with friends for correct answers and track progress.
Create customized text and audio playlists using a large library and personal content. Adjust repetitions, pauses, and speed for each item. Playlists can be used offline for without constant internet access.
