# Calculator . - Math Solver — Basic, Scientific, Plus Calc

> Basic, Scientific, Plus Calc (iPhone/iPad app by HK JIAHAO INTERNATIONAL TECHNOLOGY LIMITED.)

- Source: https://appshunter.io/ios/app/calculator-math-solver/id6758436297 (this page in markdown: same URL + `.md`)
- Developer: [HK JIAHAO INTERNATIONAL TECHNOLOGY LIMITED](https://appshunter.io/developer/1693995433)
- Category: Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 12 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-11-10
- Data updated: 2026-11-11

## What is Calculator .?

【Calculator】is a high-precision calculation tool designed for everyday computing needs.

**Scientific Functions**
Provides trigonometric, logarithmic, and exponential operations for advanced mathematical calculations. Supports radians and degrees modes for flexibility.

**Finance Templates**
Includes standard financial calculations such as compound interest, loan payments, and depreciation schedules. Suitable for personal finance management and business analysis.

**Engineering Templates**
Offers specialized engineering formulas for unit conversions, circuit calculations, and structural analysis. Supports multiple measurement units for international standards.

**Local History Database**
Stores calculation records locally on the device for quick reference and review. Enables easy retrieval and management of past calculations without internet access.

**High Precision**
Maintains calculation accuracy with extended decimal places for professional and personal use. Suitable for technical work requiring reliable results.

Pocket Calculator works entirely offline. All data remains stored locally on your device for privacy and accessibility.

Premium Account Pricing and Terms

$ 4.99/week*

$ 39.99/year*

*Prices shown are in U.S. dollars; actual charges may be converted to your local currency.

Payment will be charged to your iTunes account at confirmation of purchase.

Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period.

Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal cost will be provided. Subscriptions can be managed by the user. Turning off auto-renewal may be done by going to your account settings after purchase.

Cancellation of the current subscription is not allowed during the active subscription period.

Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication.

EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://bamboodawn.xyz/koudaijisuan/privacy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly Plus | $39.99 | per year |
| Weekly Plus | $4.99 | per 7 days |


## Is Calculator . safe?

Not enough ratings yet to assess Calculator ..

## Is Calculator . legit?

Calculator . - Math Solver appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Calculator . is 70 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0.0 — 2026-11-10

No release notes.

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All apps by HK JIAHAO INTERNATIONAL TECHNOLOGY LIMITED: https://appshunter.io/developer/1693995433

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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 2026-11-11.*