Marking Pen
Use the Marking Pen to write anything in the Graph area with your hand.
Use Marking Pen
Marking Palette will be shown by clicking the Marking Pen button on the [Tool] palette.
You can select the color and the thickness.
You can draw with the Marking Pen in the Graph area by dragging with the left button of mouse.
By dragging with the right button of mouse, you can erase with the eraser tool.
To erase all drawing drawn by Marking Pen, click Marking Erase button.
Attention: The objects drawn with Marking Pen will not be saved in the file.