The app provides training and competition for 2-digit addition. It features a stylish interface, score tracking, and sharing options to help users improve their mental math skills.
The app provides a way to practice 2-digit mental subtraction. It offers a PLAY mode for timed challenges and a WORK mode for unlimited practice, with statistics to track progress.
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.
