App Shopper: QuadCoach Factor it Solve it (Education)

App Activity

Feb 01 '11	Version 2.0
Jan 11 '11	Version 1.2
Nov 05 '10	Version 1.1
Jan 18 '10	New App: $.99, v1.0

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QuadCoach Factor it Solve it

iOS iPhone

QuadCoach Factor it Solve it Coaching Calculator is a powerful learning aid that helps students master the the factoring of quadratic expressions, the solving of quadratic equations and the solving of simultaneous linear equations.

The quadratic modules focus on binomial and trinomial expressions having integer coefficients up to 149.

Students learn quickly as they work with the calculator and see each step of a process in detail.

Factoring expressions:

- ax + b
- ax² + bx
- ax² + c by Difference of Squares, a and c opposite signs

- ax² + bx + c

Guess-and-Check or Trial-and-Error method
Grouping, AC or British method
Grid or Box method
Inspection for simple cases

Solving ax² + bx + c = 0 trinomials :

- Factoring
- Completing the Square

The simultaneous equation modules focus on pairs of simultaneous equations having integer coefficients up to 99 such as :

2x - 3y = 2
5x + 2y = 24

Features major solving methods :

- addition
- elimination
- substitution

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

All apps have the same series of quadratic Coaching Calculators combined with a Guide that takes an in-depth look at a particular factoring method.

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.

The EasyFactor Quadratics Guide looks in depth at factoring by Difference of Squares and Inspection for simple cases.

What's new

Major revision. Includes Coaching Calculators for solving a pair of simultaneous linear equations by the addition, elimination and substitution methods.