순서도 내용을 편집하고 다운로드 폴더에 그림을 저장하려면 클릭하십시오.
Edit: Edit the flow chart content (use number->number(,number...):content to define a node)
Return: Return to the previous flow chart content
Save: Save the flow chart to the download folder
Setting: Set drawing distance(set too small might cause overlap)