6.9
2021-11-09
iOS 15 compatibility and user interface improvements. Minor bug fixes.
6.8
2021-05-27
Minor bug fixes and streamlined user interface.
6.7
2020-01-23
Minor bug fixes and enhancements.
6.6
2020-01-15
Minor bug fixes and app streamlining. Secondary modules are moving to free apps for you to GET if you wish.
6.5
2019-09-25
iOS 13 and iPadOS compatibility.
6.4
2019-01-21
Major revision with streamlined user interface. Minor bug fixes.
6.3
2018-09-24
Universal iPhone and iPad app. iOS 12 compatibility.
6.2
2017-11-01
iPhone X and iOS 11 optimization and minor bug fixes.
6.1
2017-10-11
iOS 11 compatibility and minor bug fixes.
6.0
2016-09-21
iOS 10 compatibility and bug fixes.
5.1
2015-09-26
iOS 9 compatibility and bug fixes.
5.0
2015-04-14
Improved Guides for iPhone 6 and iPhone 6 Plus and minor bug fixes.
4.0
2013-09-28
iOS 7 version.
3.0
2013-04-02
Major revision includes Coaching Calculator for proving algebraically whether a polynomial function is odd, even, both or neither.
2.2
2012-09-24
iOS 6 and iPhone 5 compatibility.
2.1
2010-12-17
Minor bug fixes and layout changes.
2.0
2010-11-13
New menu system. Revised guide.
1.3
2009-11-25
OS 3 compatibility.
Includes classification of polynomials by their degree along with examples.
1.2
2008-12-30
New style menu design that flashes current position.