高校数学の解法

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Content rating
Everyone
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About this app

Even after reading a textbook, you still can't understand why something is the way it is.
Have you ever had that experience?

High School Math Solutions is a learning app for high school students who struggle with math.
From preparation for regular tests to university entrance exams and the Common Test, it covers all Math I, II, III, A, B, and C.

💬 Just Read the Teacher-Student Conversation

All explanations are presented in the form of a teacher-student conversation.
"Why do we use this formula here?" "Why does this transformation result in this?"
The student character will ask you questions on your behalf about points that you're unsure about.
You'll feel as if the teacher is right next to you, and your understanding will naturally deepen.
Even without attending cram school, you can master the basics of math with easy-to-understand explanations.

📱 On the train, in bed, or even on the train.

No need to carry around heavy textbooks.
On the train on your way to school, during your lunch break, or 10 minutes before bed.
With your smartphone, you can study math anytime, anywhere.
It works offline, so you won't have to wait, even on the subway or in a tunnel.
Utilize your spare time to continue studying comfortably even during your busy high school life.

🗺️ Never be confused about where to start again.

"I want to study math, but where should I start?"
For those of you who feel this way, we have a course feature that lets you study each topic in order.
Check your understanding after reading the explanation. Don't just think you understand it and stop.
You can steadily improve step by step at your own pace.
Use it to solidify your foundation in weaker subjects or for general review before exams.

✏️ Improve your skills with practice problems.

The question-and-answer feature allows you to practice problems by selecting the subject and difficulty level.
Star questions you get wrong and review them later.
The feeling of being able to solve problems you couldn't solve before will build your confidence.
If you want to improve your math grades, repeated practice is the quickest way.

📊 Understand by "seeing" with graphs

Quadratic functions and trigonometric functions don't stick when you just look at the formulas.
But when you see the graphs, you instantly understand, "Oh, that's what they look like."
Graphs are embedded in the explanations,
so there's no need to go back and forth between the textbook and the graphs.

📖 Quickly check formulas before the test

"What was that formula again...?"
Even right before a test, you can quickly check it by opening the formula book.
Covers all subjects: Mathematics I, II, III, A, B, and C.
Suitable for everything from regular tests to mock exams, the Common Test, and the second-stage exam.

📈 See your daily progress

Automatically record your learning progress,
so you can see at a glance how much you've done this week.
The more you practice, the more you improve. That sense of accomplishment is motivating.

Recommended for:
・Can't understand textbook explanations
・Can't keep up with school classes
・Want to improve their test scores
・Busy with club activities and no time to study
・Want to solidify their math fundamentals for university entrance exams
・Want to prepare for the Common Test and mock exams
・Don't know where to start studying

App Contents
・Supports all 6 subjects (Mathematics I/II/III/A/B/C)
・Over 232 sample questions and explanations
・25 graph displays
・Dark mode support

Premium
・Automatic review of incorrect questions
・No ads
・All content available

For those struggling with high school math.
First, try reading the explanation for one question.
You'll surely find something that makes you think, "Oh, that's it!"
Updated on
9 Feb 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, App activity and 2 others
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

What's new

・UI/UXを大幅に改善しました。
・「学習する」「一問一答」のコンテンツを追加しました。
・新たな学習コンテンツ「コース」を追加しました。
・誤植を修正しました。

App support

About the developer
渋谷匠吾
shogo0314a@gmail.com
南区上鶴間本町1丁目21−3 相模原市, 神奈川県 252-0318 Japan