What's New
iOS 17 compatibility and minor bug fixes.
App Description
A power learning aid combining Practice, Coaching Calculators and Guides to help students master the solving of quadratic inequalities by sketching associated graphs.
Coaching Calculators cover :
Solving quadratic inequalities
- by sketching associated graph
The Guide covers :
- Writing in general form
- Finding the graph shape
- Finding the x-intercept(s) if any
- Sketching the graph
- Finding the solution by inspection
Examples cover major types of quadratic inequalities and feature the finding of x-intercepts by factoring, completing the square and the quadratic formula.
The app also includes Guides and Coaching Calculators for finding the vertex of a quadratic graph :
- by completing the square
iPhone Screenshots
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iPad Screenshots
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App Changes
- June 25, 2011 New version 2.2
- June 26, 2012 New version 3.0
- September 27, 2012 New version 3.1
- February 20, 2013 New version 3.2
- September 27, 2013 New version 4.0
- April 13, 2015 New version 5.0
- September 26, 2015 New version 5.1
- November 06, 2016 New version 6.0
- June 13, 2019 New version 6.5
- September 27, 2019 New version 6.6
- January 14, 2020 Price decrease: $0.99 -> FREE!
- January 21, 2020 New version 6.7
- January 28, 2020 New version 6.8
- January 28, 2020 Price increase: FREE! -> $0.99
- July 14, 2020 New version 6.9
- October 14, 2021 New version 7.0
- April 24, 2024 New version 7.1
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