1.
Learning operations tailored to each unit of the textbook
The main contents of the textbook are broken down by unit, so you can repeatedly practice the key problems from each unit that appear in the textbook.

2. Free problem generator via QR code
Try scanning the QR code.
[Problem Generator] is available for free.


※ This textbook differs from the textbook 『Solution Calculation Doctor』 only in its cover, but the content is the same.
Customers are requested to refer to the relevant information.