Quadratic Equation Solver app icon

Quadratic Equation Solver

Quadratic Equation Solver

Georg Kiefer · an.QuadX

1.0 (1 rating) 100K+ downloads v26.7 1 MB Android 4.4+ PEGI 3 · Everyone

Download APK 1 MB All versions

At a glance

Latest version
v26.7 (101)
Updated
Jul 23, 2026 (3 months ago)
APK size
1 MB
Requires
Android 4.4+ (API 19)
CPU support
Any (no native code)
Category
Education (app)
Listed since
Jan 23, 2020 (at least)
Permissions
4
Website
gkapps.net
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Quadratic Equation Solver is an app by Georg Kiefer in the Education category, listed since at least January 2020. It has no native code, so it runs on any Android processor.

It asks for 4 permissions, none of them sensitive. The app can read the advertising ID that ad and analytics services use.

What's new in v26.7

New design, real and complex solutions, calculation steps, labeled parabola graph, trainer, history, and onboarding.

Description

From the listing uploaded by “catappult”.

This is a free mathematical calculator which is able to solve quadratic equations. The app is able to find both real and complex roots. Just enter the coefficients / parameters of the equation. The best math tool for school and college! If you are a student, it will helps you to learn algebra.

Security & authenticity

Security rating: Trusted

Signing certificate

  • Certificate issued to “Georg Kiefer” The developer's name — though anyone can put any name in a certificate.

Store checks and file details

  • Developer signature verified Jul 23, 2026
  • 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 MD5cff581f0fcd96c15aa716339895a0bb6
  • 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. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (4)

Quadratic Equation Solver requests 4 permissions, none of them sensitive.

Required hardware & features

Quadratic Equation Solver 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 Quadratic Equation Solver APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is cff581f0fcd96c15aa716339895a0bb6.

Tags

quadx education quadratic equation solver

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