# Calculum

> Matrix and vector calculation tool for students and mathematicians. (iPhone/iPad app by Peter Bohl.)

- Source: https://appshunter.io/ios/app/calculum/id1203922122 (this page in markdown: same URL + `.md`)
- Developer: [Peter Bohl](https://appshunter.io/developer/1075788156)
- Category: Education, Utilities
- Price: $0.99
- Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.1 · 23 MB
- Languages: American English, French (France), German (Germany), Brazilian Portuguese, Russian, Chinese (Simplified, China), European Spanish
- Released: 2017-02-14
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/calculum/id1203922122/reviews.md

## What is Calculum?

Calculum is the perfect support for mathematical tasks with matrices and vectors. Calculum has no limitation on the matrix and vector dimensions.
You want to solve a linear equation system?
With a wipe you have created the equation system and filled with values!
Do you need to add, subtract, or multiply vectors?
Simply enter and calculate the vectors using Calculum!
You have to create an equation system in triangle form?
A button and you have the finished result!
You have to calculate an inverse matrix?
No problem, Calculum takes this calculation quite simply the scare!
Matrix determinants?
No problem for Calculum!

Calculum is an indispensable tool for all students.

List of Functions:
- Solve linear equation systems
- Calculating the triangular form of  matrices
- Matrix inversion
- Calculate the determinant of a matrix
- Calculate the inverse Matrix
- Add, subtract and multiply Matrices and/or Vectors

## Key features

- Solve linear equation systems
- Calculate matrix triangular form
- Matrix inversion
- Determinant calculation
- Matrix and vector addition/subtraction/multiplication

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/calculum/id1203922122/reviews.md

### 1/5 — Ad-ware

*2020-06-04, version 1.23*

Paid $ and first thing I see is ads. Apple of course hides the cost of apps once you buy them which is sleaze of yet another sort. Uninstall and want my GD money back you phoney theives.

## Frequently asked questions about Calculum

### What mathematical operations can Calculum perform?

Calculum can solve linear equation systems, calculate the triangular form of matrices, perform matrix inversion, compute determinants, and add, subtract, or multiply matrices and vectors.

### Are there any limitations on matrix or vector dimensions in Calculum?

No, Calculum has no limitations on the dimensions of matrices and vectors, allowing for calculations of any size.

### What devices is Calculum available on?

Calculum is available on iPhone, iPad, and iPod devices.

### How often is Calculum updated?

The latest version of Calculum is 1.24, and it was last updated on March 21, 2021.

### What is the age rating for Calculum?

Calculum has an age rating of 4+.

### What is the price of Calculum?

Calculum is a paid app, priced at $0.99.

### What is the user sentiment for Calculum based on ratings?

Calculum has a rating of 1.0 stars from 1 rating, indicating a very low user satisfaction based on available data.

### Does Calculum offer any certifications or track progress?

Calculum is designed as a calculation tool and does not offer certifications or track user progress in a learning context.

## Version history (last 5 releases)

### 1.24 — 2021-03-21

- Bug fixes

### 1.23 — 2017-07-25

Improved results display

### 1.22 — 2017-04-24

BugFix: fixes an error when calculating a fraction

### 1.21 — 2017-04-18

Bugfixes

### 1.2 — 2017-03-15

- usability improvement

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## More apps by Peter Bohl

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All apps by Peter Bohl: https://appshunter.io/developer/1075788156

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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 2026-06-10.*