Matrix Operations Calculator app icon

Matrix Operations Calculator

Calculate determinant, inverse, kernel, rank, eigenvalues of a matrix.

GK Apps · an.MatrixOperation

Not rated yet 100K+ downloads v3.1 315.5 KB Android 3.0+ PEGI 3 · Everyone

  • Same certificate as the other version checked Details

At a glance

Latest version
v3.1 (29)
Updated
Sep 23, 2025 (1 year ago)
APK size
315.5 KB
Requires
Android 3.0+ (API 11)
CPU support
Any (no native code)
Category
Education (app)
Listed since
Nov 13, 2019 (at least)
Permissions
3
Website
bit.ly/gk-apps
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Matrix Operations Calculator is an app by GK Apps in the Education category, listed since at least November 2019. It has no native code, so it runs on any Android processor.

Since version 3.0, the APK shrank from 355.7 KB to 315.5 KB. It asks for 3 permissions, none of them sensitive. Compared with version 3.0, it adds 1 new permission: “Google Play install referrer”.

Description

From the listing uploaded by “catappult”.

This free app is the best calculator for Matrix Operations. You are able to calculate the Determinant of a Matrix, Inverse of a Matrix, Kernel of a Matrix, Rank of a Matrix, Eigenvalues and Eigenvectors of a Matrix. You can calculate with: - 2x2 matrices - 3x3 matrices - 4x4 matrices - 5x5 matrices - nxn matrices (with more than 5 rows and columns) Very useful math tool for school and college! If you are a student, it will help you to learn linear algebra!

Version history

2 versions are listed, going back to v3.0.

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Certificate issued to “Georg Kiefer” Not the developer's name (“GK Apps”). Names in certificates can't be verified, so this alone proves nothing.
  • Same certificate as the other version checked

Store checks and file details

  • Developer signature verified Feb 27, 2021
  • Signed byCN=Georg Kiefer, L=Koblenz, ST=Germany, C=DE
  • Signing certificate (SHA-1)75:C9:81:67:02:93:40:62:AE:2C:C2:9B:5F:B5:47:43:3B:A7:F0:52
  • File MD5470bd5336d762404f8c02ece3a65832b
  • Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (3)

Matrix Operations Calculator requests 3 permissions, none of them sensitive.

Required hardware & features

Matrix Operations Calculator APK: questions and answers

Can I install this APK over the version I already have?

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is the Matrix Operations Calculator APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 470bd5336d762404f8c02ece3a65832b.

Tags

More Education apps