Solve problems using basic and complex operations. Progress through levels of logical and games. Track performance and challenge yourself with increasing difficulty.
The app challenges users' calculation speed with simple addition problems. Users have one second to solve each problem, with difficulty increasing automatically over time.
The app offers practice in addition, subtraction, multiplication, division, and angles. Users can track their progress with statistics and choose between Study Mode, Stress Test, or a 20-question Quiz.
The app allows users to practice addition, subtraction, multiplication, and division. Users can customize problem sets by setting numbers for each operator and choose between multiple choice or user-entered answers.
Learn about the and its history through interactive lessons. Practice using the Soroban with virtual beads. Track progress with exercises and quizzes. Share results and compare scores with others.