# Scientific Calculator - Cal — A Better Scientific Calculator

> Natural input scientific calculator with instant results and expression display. (iPhone/iPad app by 长宏 侯.)

- Source: https://appshunter.io/ios/app/scientific-calculator-cal/id6504383829 (this page in markdown: same URL + `.md`)
- Developer: [长宏 侯](https://appshunter.io/developer/1726037103)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 38 MB
- Languages: American English, Arabic, Czech, Dutch, Finnish, French (France), German (Germany), Greek, Hindi, Indonesian and 15 more
- Released: 2024-07-04
- Data updated: 2026-08-09
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/scientific-calculator-cal/id6504383829/reviews.md

## What is Scientific Calculator?

Scientific calculator, a better calculator, calculate instantly with natural input. Get results displayed in number and expression format.

Simple to use, yet a powerful scientific calculator.

Main features
- Input expression in a natural way
- Calculate results instantly
- Get results in number format or expression format
- Percentage calculation supports tip and math mode
- Basic arithmetic calculations including powers, roots, logarithms
- Trigonometric and inverse trigonometric functions
- Degrees, Radians and Gradian
- Result history
- Copy & paste result
- Expression and result alignment setting
- Font size setting

Other features
- Available in multi languages
- No permissions required
- No network required, an offline available calculator
- Elegant and responsive UI design
- Dark mode & light mode, landscape & portrait
- Keep screen on (switchable)
- Vibrate on input (switchable)

More features, languages will be continuously added, stay tuned.

If you like this calculator app, please share it with your friends.

Thank you!

Useful Links
Privacy policy: https://scientificcal.page.link/privacy
Terms of use: https://scientificcal.page.link/terms
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Natural input expression entry
- Instant calculation results
- Number and expression format display
- Percentage calculation (tip & math)
- Trigonometric and logarithmic functions
- Result history and copy/paste
- Dark/light mode and orientation support

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro (Yearly) | $12.99 | per year |
| Pro (Monthly) | $1.59 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/scientific-calculator-cal/id6504383829/reviews.md

### 5/5 — ممتازة

*2024-09-16, version 1.0.8*

انصح بالتحميل

### 1/5 — .

*2024-09-10, version 1.0.8*

سيء جدا جدا جدا

## Frequently asked questions about Scientific Calculator

### Does Scientific Calculator have ads?

Yes, Scientific Calculator contains advertisements. These ads help support the development and free availability of the app's features.

### What are the subscription options for Scientific Calculator?

Scientific Calculator offers a Pro subscription with monthly ($1.59/month) and yearly ($12.99/year) plans, both including a 3-day free trial.

### Can I use Scientific Calculator offline?

Yes, Scientific Calculator is designed to be used offline. It does not require a network connection for its core calculation functionalities.

### What devices is Scientific Calculator compatible with?

Scientific Calculator is available for iPhone, iPad, and iPod touch devices. It supports both landscape and portrait orientations.

### How often is Scientific Calculator updated?

The app was last updated on January 23, 2025, indicating active development. More features and languages are planned for continuous addition.

### What age rating does Scientific Calculator have?

Scientific Calculator has an age rating of 4+, making it suitable for a wide range of users, including children and adults.

### Can I customize the appearance of Scientific Calculator?

Yes, Scientific Calculator offers customization options including dark mode, light mode, expression and result alignment settings, and font size adjustments.

### Does Scientific Calculator require any permissions?

No, Scientific Calculator does not require any special permissions to function, ensuring user privacy and security.

## Version history (last 5 releases)

### 1.0.11 — 2026-07-30

- Bug fixes and performance improvements

### 1.0.10 — 2025-01-23

- bug fixes, performance improvement

### 1.0.9 — 2024-09-23

- Add support for iOS 18

### 1.0.8 — 2024-09-09

- bug fixes, performance improvement

### 1.0.7 — 2024-07-29

- bug fixes

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| [Calculator AI - Math Solver](https://appshunter.io/ios/app/calculator-ai-math-solver/id6743835941) | — | Free | Utilities |

## More apps by 长宏 侯

- [Unit Converter & Currency](https://appshunter.io/ios/app/unit-converter-and-currency/id6479210637)
- [Percentage Calculator - Cal](https://appshunter.io/ios/app/percentage-calculator-cal/id6547849659)
- [Fraction Calculator - Math Cal](https://appshunter.io/ios/app/fraction-calculator-math-cal/id6584519562)

All apps by 长宏 侯: https://appshunter.io/developer/1726037103

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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 2026-08-09.*