Juancho questions

Juancho answers

• org mode spreadsheet formula for the number of lines in a cell
• How to exit menu in mutt when for instance searching
• Frequency vs spatial domain filtering
• Calculate time range in org-mode table
• Emacs Org-Mode: how to fold block without going to block header?
• How to use default org-mode spreadsheet auto-sum behavior ?
• Using org-capture-templates to schedule a TODO for the day after today
• Any way to silence Emacs keyboard shortcut advice?
• does emacs has rational number data type
• orgmode, referring to an item in a numbered list