Four-column figure-of-eight arrangement
Provide functions as follows
1. Figure 8
2. Query from lunar calendar to Western calendar
3. Personal database management
4. Partial explanation (for reference)
5. Punching table interface
Provide functions as follows
1. Figure 8
2. Query from lunar calendar to Western calendar
3. Personal database management
4. Partial explanation (for reference)
5. Punching table interface
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