# Formula Calculator Alpha

> Formula Calculator Alpha (iPhone/iPad app by 子宸 魏.)

- Source: https://appshunter.io/ios/app/formula-calculator-alpha/id6775855674 (this page in markdown: same URL + `.md`)
- Developer: [子宸 魏](https://appshunter.io/developer/1890054508)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 26.2 · 4 MB
- Languages: American English
- Released: 2026-06-04
- Data updated: 2026-07-19
- User reviews in markdown: https://appshunter.io/ios/app/formula-calculator-alpha/id6775855674/reviews.md

## What is Formula Calculator Alpha?

Turn your Apple Watch into a powerful mathematical canvas. Formula Grapher is a fully independent graphing calculator meticulously designed for watchOS, allowing you to plot, explore, and analyze complex equations anytime, anywhere—without taking out your phone. Perfect for students, engineers, and math enthusiasts.


## Version history (last 5 releases)

### 2.3 — 2026-07-15

This update brings two new ways to explore functions:

- Trace points: Tap any curve to see the exact coordinates. Drag the point (or turn the Digital Crown on Apple Watch) to slide along the curve and read (x, y) values in real time — perfect for finding zeros and intersections.

- Parameter sliders: Use parameters like a, b, c in your expressions (e.g. a·sin(bx)+c) and drag sliders to watch the graph respond instantly. See exactly how each parameter shapes the function.

Also in this version:
- New expression engine for smoother graphing and parameter adjustments
- Fixed operator precedence for -x² to match mathematical convention
- Minor fixes and performance improvements

### 2.2.1 — 2026-07-01

1.WatchOS seperately downloading available.
2.Updated input keyboard, fixed some problems.

### 2.2 — 2026-06-28

New Feature:
Change input panel into page turning mode.
Fixed Problems:
Enable downloading in WatchOS.
Solve accidental touches.

### 2.1 — 2026-06-27

Addition:
Save functions.

### 2.0 — 2026-06-05

iOS version support added
Function features added
User experience improved
Bug fixes implemented

## More apps by 子宸 魏

- [UGL - United Game Launcher](https://appshunter.io/ios/app/ugl-united-game-launcher/id6761526288)

All apps by 子宸 魏: https://appshunter.io/developer/1890054508

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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 2026-07-19.*