20/20 Straight Line Equations app for iPhone and iPad

A power learning aid combining Practice, Coaching Calculators, Coaching Videos and Guide to help students master finding slopes and equations of straight lines.

Coaching Calculators :

- finding slope given two points

- finding equation given a point and slope

- finding equation given two points

- finding equation given point and parallel line

- finding equation given point and perpendicular line

Choice of point-slope and slope-intercept methods when finding equations.

Its ideal for students as the design reinforces each problem solving step.

Examples highlight and simplify algebra that students find hard.