Inequality Calculator

Inequality Calculator for solving linear and quadratic inequalities

Intemodino Group s.r.o. · air.com.intemodino.x2inequalities

Not rated yet 50K+ downloads v2.1.9 9 MB Android 5.0+ PEGI 3 · Everyone

Download APK 9 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.1.9 (2001009)
Updated: Sep 5, 2025 (1 year ago)
APK size: 9 MB
Requires: Android 5.0+ (API 21)
CPU support: ARM 64-bit
Category: Education (app)
Listed since: Dec 16, 2022 (at least)
Website: intemodino.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Inequality Calculator is an app by Intemodino Group s.r.o. in the Education category, listed since at least December 2022. It includes native code only for ARM 64-bit, so it won't install on phones that can only run 32-bit apps.

Since version 2.1.7, the minimum Android version rose from 4.4 to 5.0.

Description

From the listing uploaded by “appupdater”.

A handy calculator with steps to solve linear and quadratic inequalities. Inequality Calculator can handle a wide range of linear and quadratic inequalities, including inequalities with fractions and parentheses. It's intuitive and easy to use. Just type in an inequality you want to solve and get the step-by-step solution. Features: Solves linear and quadratic inequalities. Solves one-step, two-step and multi-step inequalities. Supports fractions and parentheses. Shows step-by-step solution. Writes the solution as an interval (interval notation). Calculation history (25 inequalities) with the possibility to recall previous inequalities. Sends results via email. Note: The calculator does not solve inequalities with variables in the denominator.

Version history

3 versions are listed, going back to v2.1.7. Since v2.1.9 it requires Android 5.0+.

v2.1.9 LATEST Sep 5, 2025 9 MB TRUSTED v2.1.8 Sep 4, 2024 9 MB TRUSTED v2.1.7 Jun 12, 2024 8.9 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 5, 2025.
Certificate issued to “Intemodino Group s.r.o.” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Sep 5, 2025
Validated against Google Play Sep 5, 2025
Signed byCN=Intemodino Group s.r.o., OU=IT, O=Intemodino Group s.r.o., C=CZ
Signing certificate (SHA-1)D1:4C:9E:E9:44:B8:03:BB:5B:D2:72:2D:D1:65:13:86:03:85:5F:8B
File MD52e0b2c612bc2ddbfb6d50c2e1155c6fc
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Required hardware & features

Basic touch input android.hardware.faketouch

Inequality Calculator APK: questions and answers

Is there a version of Inequality Calculator for older Android phones?

The current version needs Android 5.0 or later. Version 2.1.8 is the newest listed build that installs on Android 4.4 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.1.8 · All versions

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

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Inequality 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. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 2e0b2c612bc2ddbfb6d50c2e1155c6fc.