# Matrix Operations — Step-by-step linear algebra

> Matrix calculator for solving linear equations, determinants, inverses, and decompositions. (iPhone/iPad app by Vitalii Solovei.)

- Source: https://appshunter.io/ios/app/matrix-operations/id1546613436 (this page in markdown: same URL + `.md`)
- Developer: [Vitalii Solovei](https://appshunter.io/developer/1535373267)
- Category: Education, Utilities
- Price: Free with in-app purchases
- Rating: 4.70/5 from 18 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.5 · 79 MB
- Languages: American English
- Released: 2021-01-29
- Data updated: 2026-08-29
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/matrix-operations/id1546613436/reviews.md

## What is Matrix Operations?

Matrix Operations Calculator solves every operation step by step — and lets you pick the method. From a quick determinant to a full singular value decomposition, you get the complete worked solution, not just the answer. Works fully offline.
SYSTEMS OF LINEAR EQUATIONS CALCULATOR
* Gaussian elimination
* Cramer's rule
* Gauss-Jordan
* Inverse matrix method
* Montante (Bareiss algorithm)
DETERMINANT CALCULATOR
* Decomposition
* Reduction to triangular form
* Montante (Bareiss algorithm)
* Sarrus' rule (3×3 only)
INVERSE MATRIX CALCULATOR
* Gaussian elimination
* Gauss-Jordan
* Algebraic complements
* Montante (Bareiss algorithm)
RANK OF A MATRIX CALCULATOR
* Elementary transformations
* Bordering minors
QR DECOMPOSITION CALCULATOR
* Gram–Schmidt
* Householder reflections
* Givens rotation
MORE OPERATIONS
* Polar decomposition calculator
* Matrix square root calculator
* Singular value decomposition (SVD) calculator
* Eigenvalues, eigenvectors & eigendecomposition (diagonalization) calculator
* Matrix minor, cofactor & adjoint calculator
* LU, Schur & Cholesky decomposition calculator
* Solving matrix equations calculator
* Raising a matrix to a power calculator
* Multiplying a matrix by a number calculator
* Transposition, addition, subtraction & multiplication calculator
FEATURES
* Step-by-step solutions for every operation
* Custom keyboard for fast data entry
* Save and edit your solutions
* Works without an internet connection
* Results as ordinary or decimal fractions
Web version: https://matrix-operations.com

## Key features

- Solves systems of linear equations
- Calculates matrix determinants and inverses
- Performs QR, LU, and Cholesky decompositions
- Finds eigenvalues and eigenvectors
- Step-by-step solution descriptions
- Custom keyboard for data entry
- Works offline

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium Access | $1.99 | one-time |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/matrix-operations/id1546613436/reviews.md

### 5/5 — Solving a large 10 by system

*2025-08-30*

First time using it. Hope it works greats and it gives correct answers

### 5/5 — Excelente herramienta de estudio

*2024-05-02*

Me encanta la app sigan asi

### 5/5 — Fantastic find

*2023-12-16, version 2.1.6*

New to matrices, I found the app to be very useful and well laid out. Helped me out a load - so thank you to the creators!

### 1/5 — The interface needs work

*2022-12-27, version 1.8*

The interface is not good.

## Frequently asked questions about Matrix Operations

### What matrix operations can Matrix Operations perform?

Matrix Operations can perform a wide range of operations including solving systems of linear equations, finding determinants, inverses, ranks, various decompositions (QR, LU, Cholesky), eigenvalues, eigenvectors, and more. It also handles basic arithmetic like addition, subtraction, multiplication, and transposition.

### Does Matrix Operations offer step-by-step solutions?

Yes, Matrix Operations provides complete, step-by-step descriptions of how solutions are derived for the operations performed. This feature is valuable for learning and understanding the underlying mathematical processes.

### Can I save my matrix calculations in Matrix Operations?

Yes, the app allows you to save your solutions and even edit them later. This is a convenient feature for keeping track of your work or revisiting previous calculations.

### Does Matrix Operations work offline?

Yes, Matrix Operations works without internet access. This means you can perform matrix calculations and access saved solutions even when you don't have a data connection.

### What is the learning methodology of Matrix Operations?

Matrix Operations focuses on practical application and detailed explanation. By providing step-by-step solutions, it aids users in understanding the methods used to solve complex matrix problems, supporting a learn-by-doing approach.

### How does Matrix Operations track user progress?

While Matrix Operations doesn't have a formal progress tracking system like a course, users can track their progress by saving and reviewing their solved problems. The ability to edit saved solutions also allows for iterative learning and refinement of understanding.

### Does Matrix Operations have ads?

Yes, Matrix Operations contains advertisements. As a free app with in-app purchases, ads are displayed to support its continued development and availability.

### What devices is Matrix Operations available on?

Matrix Operations is available for iPhone and iPod devices. It is designed to run on these iOS platforms.

## Version history (last 5 releases)

### 2.2.8 — 2026-08-25

Bug Fixes

### 2.2.7 — 2026-08-03

Bug Fixes

### 2.2.6 — 2026-07-09

Bug Fixes

### 2.2.5 — 2026-07-04

Bug Fixes

### 2.2.4 — 2026-07-02

Bug Fixes

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## More apps by Vitalii Solovei

- [Linprog: Linear Programming](https://appshunter.io/ios/app/linprog-linear-programming/id6785194507)

All apps by Vitalii Solovei: https://appshunter.io/developer/1535373267

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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 2026-08-29.*