LOGO Commands

• FD 100 or FORWARD 100: move forward.
• BK 50 or BACK 50: move backward.
• RT 90 or RIGHT 90: turn right.
• LT 90 or LEFT 90: turn left.
• PU or PENUP: move without drawing.
• PD or PENDOWN: put the pen down and draw again.
• PE or PENERASE: erase anything the turtle moves over.
• SETPC RED or SETPENCOLOR BLUE: change the pen drawing color.
• CLEAR: erase the drawing and return to 0,0.
• REPEAT 4 [FD 80 RT 90]: repeat commands inside brackets.

Example: REPEAT 4 [FD 80 RT 90]