Quadratic equation
Peter Ho Tools In-app purchases Contains ads
Find roots, maximum or minimum of quadratic equation
- Rating
- 5.0
- 102 ratings
- Downloads
- 38.3K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Jul 22
- 2026 · v1.6.20
Screenshots
About Quadratic equation
This app is to calculate quadratic equations.
Features
• Solve quadratic equation
• Show real roots and complex roots
• Calculate maximum or minimum point
• Save result in text file
• Support English, German, French, Italian, Spanish, Portuguese, Japanese, Traditional Chinese and Simplified Chinese
Features in PRO version only:
• No Ads
• Show equation in graph
Note :
1. For those who need support please email to me
Do NOT use either the feedback area to write questions, it is not appropriate and that is not guaranteed that can read them.
Features
• Solve quadratic equation
• Show real roots and complex roots
• Calculate maximum or minimum point
• Save result in text file
• Support English, German, French, Italian, Spanish, Portuguese, Japanese, Traditional Chinese and Simplified Chinese
Features in PRO version only:
• No Ads
• Show equation in graph
Note :
1. For those who need support please email to me
Do NOT use either the feedback area to write questions, it is not appropriate and that is not guaranteed that can read them.
What’s new
Version 1.6.20 · Updated July 22, 2026
1.6.20 - Fix minor bugs
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
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| Ohm's Law Calculator | 4.7 / 5 | Free | 10,000+ | Aug 28, 2026 | Compare |
| Linear Equations | 4.2 / 5 | Free | 50,000+ | Jul 23, 2026 | Compare |
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