7.2
2022-09-02
This version contains minor bug fixes and improvements.
7.1
2021-11-07
iOS 15 compatibility and user interface improvements. Minor bug fixes.
7.0
2021-05-21
Major release includes improved explanations and new practice modules.
6.9
2020-05-19
New Practice module and minor bug fixes.
6.8
2020-01-23
Minor bug fixes and enhancements.
6.7
2020-01-15
Minor bug fixes and app streamlining. Secondary modules are moving to free apps for you to GET if you wish.
6.6
2019-09-26
iOS 13 and iPadOS compatibility.
6.5
2019-01-19
Minor bug fixes.
6.4
2018-12-18
Major release with new guides, practice modules and coaching calculators.
6.3
2018-09-21
Minor bug fixes.
6.2
2018-09-19
Universal iPhone and iPad app. iOS 12 compatibility.
6.1
2017-11-17
iOS 11 and iPhone X compatibility and minor bug fixes.
6.0
2016-09-21
iOS 10 compatibility and bug fixes.
5.0
2015-10-01
iOS 9 compatibility and bug fixes.
4.0
2013-09-26
iOS 7 version.
3.2
2013-02-19
iPhone 5 optimization and minor bug fixes.
3.1
2012-09-28
iOS 6 and iPhone 5 compatibility.
3.0
2012-06-27
New modules for solving by quadratic formula and factoring. New compact layout.
2.1
2011-01-10
Minor bug fixes and layout changes.
2.0
2010-10-29
New menu system. Minor bug fixes.
1.4
2010-01-12
Major revision.
OS 3 compatibility.
Includes interactive Coaching Calculator.
1.3
2009-05-22
An introduction to the discriminant and a first look at complex solutions.