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لقطات الشاشة لـ 20/20 Straight Line Equations

iPad

iPhone

About 20/20 Straight Line Equations

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.

It's ideal for students as the design reinforces each problem solving step.

Examples highlight and simplify algebra that students find hard.

تحديث لأحدث إصدار 7.4

Last updated on 09/04/2024

الإصدارات القديمة

This version has minor bug fixes.

Version History

7.4

11/12/2022

This version has minor bug fixes.

7.3

02/09/2022

This version contains minor bug fixes and enhancements.

7.2

20/11/2021

iOS 15 compatibility and user interface improvements.

7.1

11/10/2021

iOS 15 compatibility and minor bug fixes.

7.0

01/07/2020

Minor bug fixes.

6.9

20/06/2020

New Coaching Video modules. Minor bug fixes.

6.8

07/06/2020

Major revision including new parallel and perpendicular lines modules.

6.7

22/01/2020

Minor bug fixes and enhancements.

6.6

14/01/2020

Minor bug fixes and app streamlining. Secondary modules are moving to free apps for you to GET if you wish.

6.5

05/10/2019

New transpose option for linear equations and inequalities. Minor bug fixes.

6.4

26/09/2019

iOS 13 and iPadOS compatibility.

6.3

20/01/2019

Major revision with streamlined user interface. Minor bug fixes.

6.2

25/09/2018

Universal iPhone and iPad app. iOS 12 compatibility.

6.1

17/11/2017

iOS 11 and iPhone X compatibility and minor bug fixes.

6.0

13/09/2016

iOS 10 compatibility and bug fixes.

5.1

16/09/2015

iOS 9 compatibility and bug fixes.

5.0

14/04/2015

Improved Guides for iPhone 6 and iPhone 6 Plus and minor bug fixes.

4.0

26/09/2013

iOS 7 version.

3.0

13/03/2013

Major revision includes Coaching Calculators for slope, equation of line given point and slope, equation of line given two points. Calculator features point-slope and slope-intercept methods.

2.2

25/09/2012

iOS 6 and iPhone 5 compatibility.

2.1

17/12/2010

Minor bug fixes and layout changes.

2.0

03/12/2010

New menu system and revised Guide.

1.1

15/07/2009

App requires OS 3. Minor changes.