Moving
- arrow buttons at top right
- arrow keys on keyboard
- arrow keys on numerical keypad
- click and drag turtle
Rotation
- rotation buttons at top right
- Home + PgUp keys
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Reset Odometer
Adjust Movement Increments
- adjust scrollbars at right
Adjusting Visible Area
- adjust scrollbar at right
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Drawing
- select type at left
- click and drag
Erasing
- button at top right
- center key on numerical keypad
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Trail On/Off
- button at top left
- End key
Erase Trail
- button at top left
- PgDn key
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