Using the calculator

• Write mathematics as you would on paper
• ... or point with the mouse and type with the keyboard
• Drag round things and then let go and drag to where you want them
• Use the dock on the left to save and load equations
  • Drag parts or all of equations to it
  • Drag equations into what you are currently editing
  • Click on equations to edit them
  • Drag them to the bin to remove them
• Use the bin to delete selections
• Use the puff of smoke to reset
• Use the clock to undo actions
• Use the boxed number to show and hide results