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[Important] What to do if the app does not start
Please try the procedure in Q3 on the following page
https://oneswing.net/faq/android_faq.html
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The revised new edition of the Yamakawa World History Dictionary is a world history dictionary with approximately 9,400 items listed, written by 230 experts incorporating the latest research results.
Not only Europe and China, but also South Asia, Southeast Asia, West Asia, Africa and other regions are enriched.
A must-have book for studying world history with brief explanations.
* Some phonetic symbols are omitted in this digital version.
Also, some characters may not be displayed correctly depending on the environment such as model and typeface settings.

■ Equipped with triple browser
Equipped with 3 modes of "user interface" from smartphone 3 inch to tablet 10 inch.
You can choose an easy-to-use operation environment.

■ Basic usage
・ Headword search
Enter words and letters from the upper right of the screen and "match prefix"
Search by "exact match", "partial match", "end match"
I can.

■ Supports mutual skewered search with multiple ONE SWING apps.

■ Cooperation with Wikipedia Japanese (online dictionary)
Wikipedia Japanese version of the online dictionary that can be used for free is also included
Can be the target of batch search

■ About the search engine "ONESWING"
This application uses a dictionary search library equipped with high-speed and abundant search functions.

■ Recommendation of handwriting input
We recommend "mazec (J) for Android", which is a handwritten Japanese input method provided by (7 Knowledge Corporation) on the Android Market.
Unlike conventional handwriting input, continuous input is possible.
The dictionary is extensive, so you can operate it smoothly.
* For details, go to Android Market> Tools> mazec.

■ Support information
For inquiries after purchasing this product, please contact the "ONE SWING Support Center".
* Please contact the publisher for information on dictionary content.

■ ONE SWING Support Center
Reception hours 365 days a year
Reception site: https://www.oneswing.net/
We accept inquiries from the "Inquiries" page at the top of the site.
* We do not make inquiries by phone. Thank you for your understanding.

■ Required memory size
At the time of installation: about 4MB
When using: 2MB or more

■ Memory management
The app (search engine + browser) is installed in the app area of the main unit. (About 2MB)
Books and dictionaries are installed on the microSDHC card or the built-in data area. (About 4MB)
Note) * To replace the microSDHC, select "Content Download" from the "Menu Button" and you will need to download the book / dictionary data again.

■ How to download contents
1. 1. Launch the application.
2. The inquiry dialog about downloading the contents is displayed at the first startup. Select "Yes".
3. 3. A dialog for confirming the Wi-Fi connection and battery level is displayed. Select "OK".
4. Select the "Start" button.
5. Use the back key on the main unit to go back.