Mac 2.5.0

Added functions

• Automatic backup function
  　　　Accessible from the ‘Open Backup Folder’ in the ‘File’ menu bar
• Chord notation for B#, C♭, E♭ and F♭
• Natural symbols can be selected in the Key Signatures section
• (13) and (♭13) can be selected in the 13th column of the 3rd Step
• The initial position of the cue (syncopation) can be adjusted, and symbols with slashes (eighths and sixteenths) have been added.

Fixed problems

• The horizontal lines of the notes that extend beyond the staff have been thickened and lengthened to make them easier to see.
• The notation for chord fractions (when written vertically) has been corrected.