数学検定数学計算トレーニング is a perfect study tool for junior high school students to practice math, exams, and calculations. From fractions, decimals, and units to equations, square roots, and simple word problems, this program offers a wide range of calculation problems to challenge users.

The program includes problems divided into the following levels, corresponding to different grades and math exams:

• Math Certification Level 5 (1st year of junior high school)
• Math Certification Level 4 (2nd year of junior high school)
• Math Certification Level 3 (3rd year of junior high school)
• Arithmetic Certification Level 7 (5th year of elementary school) for review by junior high school students
• Arithmetic Certification Level 6 (6th year of elementary school) for review by junior high school students

Users can write intermediate calculations on the problem screen using their finger. For a larger writing space, they can press the green "Notepad and Pen" button.

The program "数学検定数学計算トレーニング" is completely free to use, but it displays advertisements as it is supported by an ad network. Please note that this program is not developed by the Japan Mathematics Certification Association, but by Gakko Net Inc. If you encounter any issues, please contact Gakko Net Inc. through the in-app contact form.

Gakko Net Inc. has developed numerous learning apps, and the "はんぷく" learning series has become a popular series with over 30 million downloads. "はんぷく" is a registered trademark of Gakko Net Inc.