# calculatorX2 — Direct Algebraic Logic

> Direct Algebraic Logic (iPhone/iPad app by Gianluca Natalini.)

- Source: https://appshunter.io/ios/app/calculatorx2/id533156264 (this page in markdown: same URL + `.md`)
- Developer: [Gianluca Natalini](https://appshunter.io/developer/348380792)
- Category: Utilities, Education
- Price: $0.99
- Age rating: 4+
- Requires: iOS 16.0 · 12 MB
- Languages: American English
- Released: 2012-06-12
- Data updated: 2026-08-31
- User reviews in markdown: https://appshunter.io/ios/app/calculatorx2/id533156264/reviews.md

## What is calculatorX2?

"calculatorX2" is a SCIENTIFIC calculator "D.A.L." (Direct Algebraic Logic).
Using the "D.A.L." the precedence of the mathematical operators is automatically taken into account by the calculator and it will therefore be possible to insert the various formulas, calculations, in the same order as they are written on the paper: the calculator will assign the right precedence to the various mathematical operators, brackets, functions, etc.
Particularly suitable for both complex and simple calculations, suitable for all those who wish to have a "simple" and "accessible" interface.

Input method:
- D.A.L. (Direct Algebraic Logic)

Types of calculator:
- SCIENTIFIC (landscape orientation)

Graphics of the calculator:
- customizable: you can choose between 6 themes available (included in the app)

App type:
- UNIVERSAL APP


## Version history (last 4 releases)

### 2.2 — 2022-11-26

* Minor bugs fixed

### 2.1 — 2019-10-10

* Minor bugs fixed

### 2.0 — 2016-09-17

* Fast app start added
* Minor bugs fixed for iOS 10

### 1.0 — 2012-06-12

No release notes.

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## More apps by Gianluca Natalini

- [Stroboscope Alarm Clock](https://appshunter.io/ios/app/stroboscope-alarm-clock/id348380789)
- [Lightning Distance Calculator](https://appshunter.io/ios/app/lightning-distance-calculator/id348821275)
- [Chronometer and Countdown](https://appshunter.io/ios/app/chronometer-and-countdown/id348852710)
- [Basal Body Temperature Calc.](https://appshunter.io/ios/app/basal-body-temperature-calc/id351060251)
- [Vibrometer](https://appshunter.io/ios/app/vibrometer/id353867884)
- [myVibrometer](https://appshunter.io/ios/app/myvibrometer/id357421007)

All apps by Gianluca Natalini: https://appshunter.io/developer/348380792

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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 2026-08-31.*