Several settings are included in the Settings app that change the default behavior of the app. To change these settings:
- Press the home button to exit the app
 - Open the settings app
 - Scroll down until you see the app icon and tap that
 
The following settings can be changed:
Question oracle options
- Coin face is Yang: Default is Off, the coin side withwriting represents Yin. If On, the coin side with writing represents Yang.
 - Quick Method: This determines the probabilities used by the Quick oracle method. The default is 1 Changing line.
- 1 Changing line: a hexagram will be produced with exactly one changing line.
 - 3 Coin probabilities: produces the same result as the 3 Coin oracle method.
 - Yarrow probabilities: produces the same result as the Yarrow oracle method.
 
 - Sound Effects: Default is On, sounds are enabled, and can be controlled using the device's volume and mute settings. If Off, sounds are disabled.
 
Book options
- Book style: controls how lines, trigrams and hexagrams are displayed.
- Follow the book will follow the line style and changing line indicator of the book.
 - Modern indicates a thick modern line style and a changing line with a dot '•' to the right.
 - Classic indicates a thin classic line style and a changing line with an x or an o in the middle.
 - Calligraphy indicates a decorative line style ‘~’ and a changing line with an x or an o in the middle.
 
 - Line order: controls the order in which lines are listed in the book.
- Follow the book: lists line text in the order found in the book.
 - Top to bottom: lists line text from the 6th line to the 1st line.
 - Bottom to top: lists line text from the 1st line to the 6th line.
 
 
Journal Options
- Export Format: Default is HTML, copying or e-mailing a journal entry uses HTML format. If Tab-delimited, copying or e-mailing a journal entry uses tab-delimited text format.
 - Show Changes: controls how many changing lines are displayed in the journal.
- All: shows all changing lines.
 - First: only shows the first changing line.
 - Master Yin: shows only one changing line, based on the method described in "The Complete I Ching" by Taoist Master Alfred Huang.
 - Modified Zhu Xi: shows only one changing line, based on S J Marshall's adaptation of Zhu Xi's rules.
 
 
S J Marshall’s adaptation of Zhu Xi’s rules (published in 1186 CE) are described on Joel Biroco’s Yijing Dao web site, http://www.biroco.com/yijing/basics.htm.
