1. Record the travel expenses per trip 2. Can be exported to TXT file/PDF file on specified date 3. PDF files can automatically generate forms, and automatic amount summing 4. Export files can be sent through other communication apps 5. Auto-complete function when filling in records (according to previous data) 6. Can find past records (search for the front or back of the text plus the % symbol for fuzzy search) 7. Backup/restore data 厍 (data after backup can be transferred) 8. The preset value