LOGO Programming

Basic Commands

Command What it does
FD 100 Move the turtle forward 100 steps.
RT 90 Turn the turtle to the right 90.
LT 90 Turn the turtle to the left 90.
BK 100 Move the turtle backwards 100 steps.
PU Pick the turtle's pen up off the paper.
PD Put the turtles pen back down on the paper.
CS Clear the screen and start over.
HT Hide the turtle (triangle).
ST Show the turtle (triangle).
REPEAT 3 [...] Repeat the commands 3 times.

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Copyright © 1996, Michael C. Koss.
Last revised: February 25, 1996