# DifferentiationCalculator — a self-study app with answers

> a self-study app with answers (iPhone/iPad app by Ilona Kosinska.)

- Source: https://appshunter.io/ios/app/differentiationcalculator/id1538804527 (this page in markdown: same URL + `.md`)
- Developer: [Ilona Kosinska](https://appshunter.io/developer/1538804529)
- Category: Education, Utilities
- Price: Free (on sale, was $1.99)
- Age rating: 4+
- Requires: iOS 12.0 · 14 MB
- Languages: English, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Chinese and 3 more
- Released: 2021-04-26
- Data updated: 2026-06-20
- User reviews in markdown: https://appshunter.io/ios/app/differentiationcalculator/id1538804527/reviews.md

## What is DifferentiationCalculator?

This app calculates the analytic formula of the first derivative of a given function. Derivative represents a rate of change of a function with respect to an independent variable. This app enables to differentiate a function that depends on more than one independent variable (called here a multi-parametric case) by considering these variables separatelly. To do so, one must declare a name of independent variable with respect to which a given function is differentiated. During differentiation, the rest of variables is kept constant. The derivative found on the basis of the obtained analytical formula can be compared with the derivative found numerically. The obtained results can then be depicted in plots. In order to plot a multi-parametric case, all remaining independent variables must be set by the user. To make this app more didactic, it is possible to track and practise intermediate stages of searching for the analytic derivative. All these steps can be performed by the user himself. In this way, the final formula of the derivative sought will become more understandable.


## Version history (last 5 releases)

### 1.11 — 2026-06-18

This version includes bug fixes and user interface improvements, making the app more user-friendly (especially on iOS 26).

### 1.10 — 2025-09-25

This version has bug fixes (including translation errors).

### 1.9 — 2024-10-17

This version fixed some bugs (mostly related to data sharing).

### 1.8 — 2024-08-04

This release contains bug fixes and user clarifications, both methodological and in practical use of the application. Improved the user interface in this application when running on Mac computers.

### 1.7 — 2024-06-13

This release includes bug fixes and new features (a chart and differentiation stages extended with a landscape layout). Korean version added.

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## More apps by Ilona Kosinska

- [Genetic Algorithms](https://appshunter.io/ios/app/genetic-algorithms/id1571375136)
- [Stochastic Processes](https://appshunter.io/ios/app/stochastic-processes/id6737203969)

All apps by Ilona Kosinska: https://appshunter.io/developer/1538804529

## Related topics

[differentialeque](https://appshunter.io/ios/topics/differentialeque)

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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 2026-06-20.*