Integral gacha is a service released on May 19, 2021 on the delicious mathematics site that randomly asks 5 integral calculations for high school mathematics III, inheriting the functions of the web version and further enhanced. It becomes a version.
This app version has the following features in addition to the web version.

①The number of problems has increased compared to the web version, and there are currently an amazing 56447820 combinations of gachas (20240880 in the web version).
②Unlimited gacha rotation, no time limit
3. Equipped with a timer (it can measure up to 100 minutes after turning the gacha, and can be used for time attacks)
④ New question judgment function (you can distinguish whether it is a new question or an existing question)
⑤ Calculation paper function
⑥ List of all emission problems from beginner to advanced (you can also see problems added to the web version)

If you are a first-time user, please search Google for "integral gacha" and use the web version in Delicious Mathematics for free and try it out.
Please search for "integral gacha" on Twitter.