# f(x)

> f(x) (iPhone/iPad app by Ryo Matsumoto.)

- Source: https://appshunter.io/ios/app/fx/id6475749250 (this page in markdown: same URL + `.md`)
- Developer: [Ryo Matsumoto](https://appshunter.io/developer/1725054568)
- Category: Games, Education, Role Playing, Strategy
- Price: Free
- Age rating: 12+
- Requires: iOS 13.0 · 78 MB
- Languages: Japanese
- Released: 2024-01-31
- Data updated: 2026-05-18
- User reviews in markdown: https://appshunter.io/ios/app/fx/id6475749250/reviews.md

## What is f(x)?

[ルール説明]
1.ターンが始まるとxの値がランダムで与えられる.
2.味方キャラはそれぞれ技(関数)を持っており,誰のどの技を発動するかを選ぶ.選んだ技に応じてxの値が変化する.これを3キャラ分行う.
3.味方キャラの値のうち,正の値は攻撃力に,負の値は回復力になる.
4.敵が行動してターン終了.まあやれば分かる(はず...!).


## Version history (last 5 releases)

### 1.0.5 — 2025-10-21

復活発動中に敵と味方のHPが同時に0になった時の不具合を修正，その他軽微な修正．

### 1.0.4 — 2025-09-27

レイアウト微修正，サイトurl変更

### 1.0.3 — 2025-09-27

広告を設置してみる

### 1.0.2 — 2025-09-25

敵のHPを視認できるように

### 1.01 — 2024-03-04

編成の数が増え,保存されるように

## Apps similar to f(x)

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [π(円周率)記憶ゲーム](https://appshunter.io/ios/app/id1636996175) | — | Free | Games |
| [プロセス・ディフェンス](https://appshunter.io/ios/app/id1592811050) | — | Free | Games |
| [ローグバトルガールズ - ローグライクカードバトル](https://appshunter.io/ios/app/id6479973684) | — | Free | Games |
| [運任せの魔法学園](https://appshunter.io/ios/app/id6741471040) | 5.0 (1) | Free | Games |
| [LASER DIVER](https://appshunter.io/ios/app/laser-diver/id1484503844) | — | Free | Games |
| [For the Algo](https://appshunter.io/ios/app/for-the-algo/id6478038530) | — | Free | Games |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-18.*