Quadratic Master 4+

Solve quadratic formula

Lukas Petr

Designed for iPhone

    • 4.6 • 313 Ratings
    • Free
    • Offers In-App Purchases

iPhone Screenshots


Quadratic Master is the best app for solving and learning quadratic equations, inequations, and functions on your iPhone.

Whether you are a high-school student currently learning about quadratics in your math class, or somebody who needs to solve quadratic functions on a regular basis, then Quadratic Master is for you.

Main benefits:
• Save time on your math homework
• Learn about quadratics in just a fraction of time
• Share solutions with your classmates.

Free version offers:
• Quadratic equation solver (roots, discriminant, factorization)
• Formulas and guide for manually solving quadratic equations
• Quadratic inequation solver
Quadratic function solver (Vertex form)
3D rotating model of parabola for better understanding of quadratics in geometry

Full version provides:
• Detailed solution for quadratic equations
• Quadratic function solver - general and factored form
• Explanations and formulas for all quadratic function properties
• Quadratic inequation solver with ≥ and ≤ inequality
• Graph mixer - the perfect tool to play with and explore quadratic function graphs
Rapid-fast solving with Single-digit input mode

The full version is available for a small one-time fee.

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I’ve built Quadratic Master back in 2009 when I was in high school and I was learning about quadratic equations in my math class. It is the first app I’ve ever built, and at the risk of sounding cheesy - it still holds a special place in my heart. Even though it was never a significant moneymaker, I’ve kept it updated throughout the years. And I’m happy to say that it has attained over 70.000 downloads to date. If you enjoy using the app, please consider buying the full version. Thank you.
- Lukas Petr, author of Quadratic Master

What’s New

Version 3.3

• Support for all iPhone 12 models.
• Full compatibility with iOS 14.
• Various small improvements.

Ratings and Reviews

4.6 out of 5
313 Ratings

313 Ratings

Nishe2018 ,


Helped me very much with my homework

Angel aka Phatmama ,

I want a refund

I got this app in the hopes of getting extra help. Sadly all I got was an app that was not working. I can not enter the problem I need help with. Also, it's not showing up in my app library. I know it's not my phone because it's a 12 mini and less than a month old.

Kira Mac ,


This is a very good app. Very little ads. Very cool. Much fun on my math homework.

App Privacy

The developer, Lukas Petr, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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