# Calculator 0 - Scientific Calc — No ads scientific calculator

> Ad-free scientific calculator with natural writing, history, and customization. (iPhone/iPad app by Shanghai Sweet Potato Software Co., Ltd.)

- Source: https://appshunter.io/ios/app/calculator-0-scientific-calc/id6738879303 (this page in markdown: same URL + `.md`)
- Developer: [Shanghai Sweet Potato Software Co., Ltd](https://appshunter.io/developer/1782728356)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 4 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 75 MB
- Languages: Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hindi, Hungarian and 17 more
- Released: 2025-01-03
- Data updated: 2026-07-06
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/calculator-0-scientific-calc/id6738879303/reviews.md

## What is Calculator 0?

Calculator 0 - A permanent free scientific calculator without any ads

* Fast, Calculation History, No Ads, One Hand *

1. Easy Calculator: Show result when typing in realtime and optimized for one hand operation. Easily slide to switch between basic arithmetic (+ - × ÷) and scientific calculations, 50+ mathematical operations could be type in by one touch or one slide. You can finish all calculations on a BIG screen phone with only one hand holding.
2. Formula Editing: All calculations and results are saved as history records, and you can review and edit them as formulas again at any time.
3. Scientific Calculator: Covers operations from trigonometric, logarithmic, exponential, derivatives to calculus, summation, prime factoring etc. Helping students cope with elementary and high school math, advanced math, linear algebra, calculus, and probability theory.
4. Natural Writing: Input fractions, square roots, exponents, calculus, etc. in the same format as handwritten and textbook formulas. Good for solving math problems for high school to college students.
5. Dual Mode: Supports math mode output (retain simplified fractions and square roots) and number mode output. It's easy to use for everyday use or to solve professional math problems.
6. Professional and Precise: Arbitrary precision integers, even the factorial of 5000 can be easily calculated. Floating point precision up to 100 decimal places accuracy (scientific notation), and able to meet the calculation problems of high-precision engineering.
7. Mechanical Keyboard: Perfectly simulate the touch and sound effects of mechanical keyboards, 9 classic switches can be customized at will

* The premium feature *
8. Theme Customization: Eight beautiful themes, all classic and exquisite
9. Icon Customization: Contains three theme icons, and total of 10 icons to choose from
10. Exclusive Badges: Three themed badges (gold, jade, ruby) and a variety of Emoji badges for free choice
11. Unique: Create your own unique custom look of calculator

The lifetime premium package is a one-time purchase, the fee will be charged at the time of purchase, and you will always enjoy the features and benefits of the premium version. If you choose the subscription model and do not cancel the subscription at least 24 hours before the end of the trial period, the system will automatically charge the fee according to the price of the current selected subscription period, and renew it within 24 hours before the end of each period subscription. During the subscription period, you can enjoy the features and benefits of the premium version. You can choose whether to cancel the subscription. If you choose not to cancel, the renewal service for the next billing cycle will be automatically activated for you.

Privacy Policy: https://www.sweetpotatosoftware.top/calcprivacy.html
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Real-time results
- Formula editing and history
- Extensive scientific operations
- Natural writing input
- Dual math and number modes
- High-precision calculations
- Mechanical keyboard simulation

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $34.99 | per year |
| Monthly | $3.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime | $29.99 | one-time |
| Lifetime | $12.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/calculator-0-scientific-calc/id6738879303/reviews.md

### 5/5 — 推荐！

*2025-03-18, version 1.2.0*

界面超级好看，实用性强，推荐下载，感觉比自带计算器好用，推荐！

### 5/5 — 独特的 UI 设计是点睛之笔

*2025-01-16, version 1.0.3*

用就完了

## Frequently asked questions about Calculator 0

### Does Calculator 0 have ads?

No, Calculator 0 is advertised as having no ads. This is a key feature highlighted in its description, ensuring an uninterrupted user experience.

### What mathematical operations does Calculator 0 support?

Calculator 0 supports over 50 mathematical operations, including basic arithmetic, trigonometric, logarithmic, exponential, derivatives, calculus, summation, and prime factoring. It is designed to handle advanced math, linear algebra, and probability theory.

### Can I edit past calculations in Calculator 0?

Yes, all calculations and their results are saved as history records. You can review and edit them as formulas at any time, making it easy to correct mistakes or modify previous work.

### What is the precision of Calculator 0?

Calculator 0 offers arbitrary precision integers and floating-point precision up to 100 decimal places. It can handle high-precision engineering calculations, including factorials of large numbers like 5000.

### What are the premium features in Calculator 0?

Premium features include theme customization with eight beautiful themes, icon customization with multiple choices, and exclusive badges like gold, jade, ruby, and emoji badges. These allow for a unique custom look.

### What are the subscription options for Calculator 0?

Calculator 0 offers a weekly subscription at $3.99 with a 3-day free trial, a monthly subscription at $3.99, and a yearly subscription at $34.99. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period.

### Is Calculator 0 suitable for younger users?

Calculator 0 has an age rating of 4+, making it suitable for a wide range of users. Its intuitive interface and natural writing input can assist students from elementary to college levels.

### How often is Calculator 0 updated?

The latest version of Calculator 0 is 1.2.8, and it was last updated on June 27, 2025. This indicates a recent update, suggesting ongoing development and support.

## Version history (last 5 releases)

### 1.2.8 — 2025-06-27

experience optimization

### 1.2.7 — 2025-03-31

Optimized experience and performance

### 1.2.6 — 2025-03-28

Added skin mahjong and skin preview interface

### 1.2.5 — 2025-03-24

Added three new skins: Vitality, Gold Carbon, and Midnight

### 1.2.2 — 2025-03-21

Add new themes Sakura (cherry blossoms) and more badges

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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 2026-07-06.*