- Provided document for the theory of four weeks (https://guide.8-codes.com/lecture)
- First month free, 3,900 won per month
- Provides analysis results from various perspectives such as ten stars, unsung, shinsal, dragons, gyeokguk, and five elements
- Provides naming function to which theories used by real mythologists are applied
- memo function
- Save keynotes/notes, etc. in the cloud (data is maintained even if the app is deleted and reinstalled, or the device is changed)
-Provides the power to accurately classify the seasons in minutes
- Provides the power to directly view and select the year, month, date and time of the sixties.
- Provision of key stock information from 1901 to 2030