App Shopper: EasyFactor Quadratics (Education)

App Activity

Feb 01 '11	Version 3.0
Jan 10 '11	Version 2.2
Oct 29 '10	Version 2.1
Dec 17 '09	Version 2.0
Nov 12 '09	Version 1.4
Apr 26 '09	Version 1.3
Jan 14 '09	Version 1.2
Nov 20 '08	Version 1.1
Nov 05 '08	New App: $.99, v1.0

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EasyFactor Quadratics

iOS iPhone

EasyFactor Quadratics is a powerful learning aid that combines interactive Coaching Calculators and a Guide to help students master factoring of simple quadratic expressions and solving of quadratic equations (trinomials).

The Coaching Calculator focuses on quadratic binomials and trinomials with coefficients up to 149.

The Coaching Calculator and Guide include :

Quadratic binomial expressions such as,

4x² - 2x
9x² - 16

with integer coefficients.

Quadratic trinomial expressions such as,

x² - x - 6
3x² - 3x - 18

with integer coefficients and x² coefficients of one at the start or after factoring out the GCF.

Students learn quickly when they focus on a particular step and investigate what happens when the sign of the x-coefficient switches between positive and negative.

The in depth Guide is ideal for students as the menu design reinforces each problem solving step and examples highlight and simplify algebra that students find hard.

For convenience, the app also has Coaching Calculators covering many quadratic factoring and solving methods :

- factoring by Guess and Check or Trial and Error method
- factoring by Grid or Box method
- factoring by Grouping or AC method
- solving by Completing the Square

EasyFactor Quadratics is a member of the Quadratic Series comprising QuadCoach Factor it Solve it, GuessCheck Factoring, Quadratic Factoring and Quadratic Grouping.

All apps have the same series of quadratic Coaching Calculators.

The GuessCheck Factoring Guide looks in depth at the Guess and Check or Trial and Error method.

The Quadratic Factoring Guide looks in depth at the Grid or Box method.

The Quadratic Grouping Guide looks in depth at the factoring by Grouping or AC method.

QuadCoach Factor it Solve it has a mini-Guide and additional Coaching Calculators and mini-Guide covering the solving of a pair of simultaneous linear equations by the addition, elimination and substitution methods.

What's new

Major revision. Now includes Coaching Calculators for factoring by Guess and Check, Grouping and the Box Method. Also solving quadratic equations by Completing the Square.