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Android Apps > Education > Lisa's equation solver
App profile & analytics · Education · Data updated 2026-10-11
Lisa's equation solver icon

Lisa's equation solver

by Harnisch Gesellschaft m.b.H. · Free · Version 0.9.7t

“Solve quadratic / cubic / quartic equations and systems of linear equations” the developer's tagline

Availability On Google Play since January 2015 ↗
Rating on Google Play
–
At a glance AppBrain's trailer of this app, made from our data
Rating
–
0 reviews
Total installs
130
thousand
Installs, last 30 days
15
Best rank
–
not in the top lists
Last updated
August 8, 2026
0.9.7t
AppBrain's verdict Established

Lisa's equation solver has 130 thousand installs. It doesn't have enough ratings yet to judge what users think.

Lisa's equation solver is made and published by Harnisch Gesellschaft m.b.H. AppBrain is an independent app data site and isn't affiliated with Harnisch Gesellschaft m.b.H. The app name, icon, screenshots and description belong to Harnisch Gesellschaft m.b.H. and are shown as published on Google Play.

About Lisa's equation solver

Lisa's equation solver is an education app developed by Harnisch Gesellschaft m.b.H.

Install Statistics

Lisa's equation solver has been installed 130 thousand times. In the last 30 days, the app was installed 15 times.

User Ratings

The app has no ratings yet.

App Information

Lisa's equation solver is freely available from Google Play. The app size is 13.38 MB. The latest version available is 0.9.7t. The last update was on August 8, 2026.

Technical Requirements

Lisa's equation solver requires Android 6.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since January 2015.

Description by Harnisch Gesellschaft m.b.H. (from Google Play)
Small tool to solve: - Quadratic equations - Cubic equations - Biquadratic equations - Quartic equations - Systems of 2 to 5 linear equations Recent changes: ★ Basic support for Android 16
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App Performance Report

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Screenshots

Lisa's equation solver Screenshot 1 of 5
Lisa's equation solver Screenshot 2 of 5
Lisa's equation solver Screenshot 3 of 5
Lisa's equation solver Screenshot 4 of 5
Lisa's equation solver Screenshot 5 of 5
Screenshots by Harnisch Gesellschaft m.b.H., from the Google Play listing
Official page on Google Play

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Installs over time

Lisa's equation solver has been installed 130 thousand times. Over the past 30 days, it has been installed 15 times.

Changelog of Lisa's equation solver

Show changelog

Developer information for Harnisch Gesellschaft m.b.H.

Harnisch Gesellschaft m.b.H.

android@harnisch.at

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Comments on Lisa's equation solver for Android

★★★★☆ wasi shaikh · May 1, 2015
Nice app Please add option to show answers in fraction
★☆☆☆☆ Graeme Vetterlein · Sep 21, 2021
Sadly fails to open.... I guess it's crashing on startup

Google Play Rankings for Lisa's equation solver

This app is not ranked

Technologies used by Lisa's equation solver

14 permissions · 14 libraries
Subscribe to see full permission and library details
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