# Discrete Probability — Calculator, Proofs, Graphs

> Discrete probability calculator, formulas, derivations, and visual tools. (iPhone/iPad app by Yuri Morozov.)

- Source: https://appshunter.io/ios/app/discrete-probability/id6752967885 (this page in markdown: same URL + `.md`)
- Developer: [Yuri Morozov](https://appshunter.io/developer/1582368813)
- Category: Education, Productivity
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 16.6 · 9 MB
- Languages: American English
- Released: 2025-10-30
- Data updated: 2026-07-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/discrete-probability/id6752967885/reviews.md

## What is Discrete Probability?

Everything you need to learn and compute discrete distributions — formulas, derivations, and visual tools, all in one app.

In Discrete Probability app, everything is in one place:

• User-friendly calculator
• Formulas with rigorous yet easy-to-follow derivations — exportable as images or LaTeX
• Descriptions of optimized computation methods when they differ from the standard formulas
• Histograms and other essential visual tools

Covered in the first version:
• General concepts with definitions and derivations / proofs
• Binomial distribution
• Geometric distribution
• Negative Binomial distribution
• Hypergeometric distribution
• Poisson distribution

We welcome your feedback — write to graphmath@aol.com

## Key features

- User-friendly calculator
- Formulas with derivations
- Exportable formulas (image/LaTeX)
- Optimized computation methods
- Histograms and visual tools
- General concepts and specific distributions


## Frequently asked questions about Discrete Probability

### What discrete distributions does Discrete Probability cover?

Discrete Probability covers general concepts with definitions and derivations, as well as specific distributions including Binomial, Geometric, Negative Binomial, Hypergeometric, and Poisson distributions in its first version.

### Can I export the formulas and derivations from Discrete Probability?

Yes, the formulas and their rigorous yet easy-to-follow derivations can be exported as images or in LaTeX format, making them useful for study and documentation.

### Does Discrete Probability offer visual tools for understanding distributions?

Yes, the app includes essential visual tools such as histograms to help users better understand and visualize discrete probability distributions.

### What makes the computation methods in Discrete Probability unique?

Discrete Probability provides descriptions of optimized computation methods, which may differ from standard formulas, offering more efficient ways to calculate results.

### How frequently is Discrete Probability updated?

The app was last updated on January 19, 2026, indicating active development and support. The latest version is 3.3.

### What devices is Discrete Probability available on?

Discrete Probability is available on Mac, iPhone, and iPad, allowing users to access its features across multiple Apple platforms.

### What is the user sentiment for Discrete Probability based on ratings?

Discrete Probability has received an excellent rating of 5.0 stars from 3 ratings, suggesting very positive user sentiment and satisfaction with its functionality.

### Does Discrete Probability have ads?

No, Discrete Probability does not contain advertisements, providing an uninterrupted learning and calculation experience for users.

## Version history (last 5 releases)

### 3.3 — 2026-01-19

• Improved reliability during screen rotation.
• Other UI and LaTeX export improvements.

### 3.2 — 2025-12-28

• UI improvements
• Bug fixes

### 3.1 — 2025-12-17

Crash prevention

### 3.0 — 2025-12-13

• Poisson distribution with all relevant proofs and Math references.
• UI improvements and bug fixes.

### 2.1 — 2025-12-08

UI improvements and bug fixes.

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## More apps by Yuri Morozov

- [GraphMath](https://appshunter.io/ios/app/graphmath/id1582680101)
- [Vectors and Planes](https://appshunter.io/ios/app/vectors-and-planes/id1605294727)
- [Matrix Solver Step by Step](https://appshunter.io/ios/app/matrix-solver-step-by-step/id1623894950)
- [Polynomials and Linear Systems](https://appshunter.io/ios/app/polynomials-and-linear-systems/id1642007937)
- [Least Squares Curve Fit](https://appshunter.io/ios/app/least-squares-curve-fit/id6443509668)
- [Drawing with Math](https://appshunter.io/ios/app/drawing-with-math/id6479322887)

All apps by Yuri Morozov: https://appshunter.io/developer/1582368813

## Related topics

[probability distribution](https://appshunter.io/ios/topics/probability-distribution) · [probability](https://appshunter.io/ios/topics/probability)

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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 2026-07-17.*