Lisa's equation solver

Available on Google Play

100,000+ installsFreeEducation

Updated Sep 7, 2025 · v0.9.7q

Solve quadratic / cubic / quartic equations and systems of linear equations

Small tool to solve: - Quadratic equations - Cubic equations - Biquadratic equations - Quartic equations - Systems of 2 to 5 linear equations

Released

January 28, 2015

11 years on Google Play

Version

0.9.7q

Updated

Sep 7, 2025

Content Rating

Everyone

Installs

100,000+

Developer

Harnisch Gesellschaft m.b.H.

Website

android@harnisch.at

In-app purchases

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