About 積分ガチャ

Integral Gacha is a service released on the Oishii Mathematics website on May 19, 2021, that randomly presents five integral calculation questions from Mathematics III of high school mathematics. It is an enhanced app version that inherits the functionality of the web version. In addition to the web version, the app version has the following features: ① More questions than the web version, with 1,300,993,65 possible gacha combinations (20,700,900 in the web version) ② Unlimited gacha spins, no time limit ③ Advanced level only switch (you can set (5) to guarantee an advanced level) ④ Additional information included (contains relevant information such as background knowledge and sources for the questions) ⑤ Built-in timer (measures up to 100 minutes after spinning the gacha, useful for time attacks) ⑥ New question identification function (distinguishes between new and previously released questions) ⑦ Marking function (allows you to mark questions you answered correctly) ⑧ No ads ⑨ Calculation paper function (simple) ⑩ List of all questions from beginner to advanced (including questions added since the web version) First-time users can try the free web version by searching "Integral Gacha" on Google within Oishii Mathematics. Please also search for "Integral Gacha" on X (Twitter).