# Calculator : Scientific Calculator & converter — Scientific Calculator

> Advanced scientific calculator with unit conversion and constants library. (iPhone/iPad app by PPCLINK Software.)

- Source: https://appshunter.io/ios/app/calculator-scientific-calculator-and-converter/id1267774163 (this page in markdown: same URL + `.md`)
- Developer: [PPCLINK Software](https://appshunter.io/developer/833424538)
- Category: Utilities, Reference
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings · 12 written reviews indexed
- Age rating: 4+
- Requires: iOS 7.0 · 39 MB
- Languages: American English
- Released: 2017-08-08
- Data updated: 2026-08-13
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/calculator-scientific-calculator-and-converter/id1267774163/reviews.md

## What is Calculator?

► Award Winning Calculator on Appstore
► Over 1,000,000 users worldwide
► 800+ formulas & algebraic calculation
► Daily updated currency converter & 136 unit converter.

HiCalc Calculator will make all your calculations become simpler than ever.

► Scientific calculator: sin, cos, tan, deg/rad/grad, Pi, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1, Dec->Deg, Deg->Dec, XY->R, Random, nPr, nCr, Differential function, Evaluation function,...

► Necessary functions for your popular daily calculation:
• Currency Converter
• Unit Converter
• Date - Time
• Finance

► Engineering & Finalcial Calculator:
• Graph
• Statistics
• Equation Solver
• Finance
• Base Conversion

► Noteworthy
• Support three calculating modes: STANDARD, STRING and RPN
• Support precision to 31 digits
• Supports Complex numbers in STRING mode
• Powerful scientific calc with advanced fx: Differential, Evaluation, Integration, Product, Root-Finder…
• Support Extended Memory for deep calculation
• Expression history up to 135 items
• Sending data from Ext-Memory & History list
• Copy & Paste support
• Intuitive interface & No ADs

► Features:

• Multi-line LED-Calculator
• Smart input which allows input of complicated expressions
• Show expression as normal writing mode @ very useful for students
• Supports both USA and EUROPEAN styles for date and numeric separator
• Advanced RPN mode with Stack viewer and functions: DROP, SWAP, ROLL, DEPTH, PICK, OVER, KEEP, LAST, CLEAR

► Tip calculator
Easy & funny to use.

► Biorhythm calculator
How are you today? How is your health factor this week, next month, next year? Biorhythm calculator will show you health factors as : physical, intellectual, intuitional and also emotional factor.

► Constants Library
The Constants Library includes 1500 constants from Mathematics, Physics, Solar System and Element e.g: Avogadro number, Faraday const, Coulomb const, Gravitational const, Stefan-Boltzmann Const, Speed of Light, Euler constant...

## Key features

- Scientific calculations (sin, cos, tan, log, etc.)
- Currency and unit converter
- Constants library (1500+ constants)
- Graphing and equation solver
- Biorhythm calculator
- Expression history

## Recent user reviews (10 of 12)

All indexed reviews: https://appshunter.io/ios/app/calculator-scientific-calculator-and-converter/id1267774163/reviews.md

### 3/5 — Mong khắc phục

*2026-04-27, version 1.0*

Ipon 17e của mình cũng không vào dc. Toàn bị văng ra

### 3/5 — Không mở được trên ios 17.5.1

*2024-06-23, version 1.0*

Tải ứng dụng máy tính này xong, không mở được. Chạm vào ứng dụng là bị văng ra ngoài màn hình. 
Mong sớm khắc phục. Trên XR và 13 pro max chạy ios 17.5.1 đều không mở được.

### 5/5 — máy tính tốt nhưng không dùng được trên iphone 11 pro

*2024-03-10, version 1.0*

hy vọng có thể sử dụng được trên iphone 11 pro . tôi có thể trả phí

### 5/5 — Multi module calculator does it all

*2023-11-15*

This is a fantastic calculator! Can pretty much do anything. The one downside is that there seems to be some UI bugs and the app hasn't been updated in a while. However that really hasn't gotten in my way.

### 5/5 — 10년넘게 써온 최고의 계산기

*2022-07-16*

공학용으로써 이만한게 없다.
갑자기 basic만 되길래 유료라도 살려고 했는데, 
왼쪽 상단 자물쇠아래 3선 원형 아이콘을 눌러 공학용으로 선택하면 된다. 진짜 이만한게 없다.

### 3/5 — Misses a basic requirement

*2022-05-06*

Why no landscape view?
For such a bulky app, one might expect conformity to one of the most fundamental concepts of a modern portable computing device.

### 1/5 — Lỗi

*2019-03-23, version 1.0*

Không copy paste được. Tự thoát khí thao tác cắt dán

### 1/5 — Casino lol

*2019-03-01, version 1.0*

App lozz

### 4/5 — Sehr gut - aber ... / Very good - but ...

*2018-10-28*

... 
Die Lokalisierung auf Deutsch umfasst weder Hilfe noch Rechner-Oberfläche: da ist noch Luft nach oben.
Schade ist, dass die optional angebotene Ergänzung um das Periodensystem nicht funktioniert.

The localization in German does not include help nor GUI: there is still room for improvement.

It is a pity that the optional addition of the periodic table does not work.

### 5/5 — Very good

*2018-09-11, version 1.0*

Máy tính quá tuyệt khi không có 'Casio FX 570 VNPlus'! Mong cần thêm nhiều tính năng như giả lập máy tính nhiều hơn nhé ad!

## Frequently asked questions about Calculator

### Does Calculator have ads?

No, Calculator is ad-free, providing an uninterrupted user experience.

### What calculation modes does Calculator support?

Calculator supports three calculating modes: STANDARD, STRING, and RPN, offering flexibility for different user preferences and complex calculations.

### How precise are the calculations in Calculator?

Calculator supports precision up to 31 digits, allowing for highly accurate results in complex mathematical operations.

### What kind of advanced functions does Calculator offer?

Calculator includes advanced functions like Differential, Evaluation, Integration, Product, and Root-Finder, along with support for complex numbers in STRING mode.

### Can Calculator handle historical data?

Yes, Calculator offers an expression history of up to 135 items and supports sending data from the Ext-Memory and History lists.

### What is the biorhythm calculator feature in Calculator?

The biorhythm calculator in Calculator shows your physical, intellectual, intuitional, and emotional factors for the current day, week, month, and year.

### What devices is Calculator available on?

Calculator is available on iPhone and iPod devices.

### How often is Calculator updated?

The provided data indicates the app was last updated on 2017-08-08 with version 1.0. Further update frequency information is not available.

## Version history (last 1 release)

### 1.0 — 2017-08-08

This app has been updated by Apple to display the Apple Watch app icon.

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All apps by PPCLINK Software: https://appshunter.io/developer/833424538

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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 2026-08-13.*