MSW LOGO COMMANDS - ICT

1 MSW logo COMMANDS Command Description Example FD Moves turtle forward FD 100 BK Moves turtle backward BK 100 Right or RT Turns the head of the turtle to the right RT 90 Left or LT Turns the head of the turtle to the left LT 90 Home Brings the turtle to its starting position Home CS or CLEARSCREEN Erases drawing on the main screen CS CT or CLEARTEXT Erases the text from the commander window CT label Write text or number on the main screen label 100 label [ logo COMMANDS ] label logo COMMANDS PRINT or PR Write text or number in the Recall Text Box PR 100 PR[ logo COMMANDS ] PR logo COMMANDS SETPENSIZE Sets the size of the turtle s pen SETPENSIZE[5 5] SETPETCOLOR OR SETPC Sets the color of the turtle s pen SETPC[255 0 0] PU or PENUP Turtle moves without drawing lines. PU PD or PENDOWN Turtle moves while drawing lines PD PE or PENERASE Sets pen in erase in mode.

2 PE PENNORMAL Sets the pen to normal drawing mode. PENNORMAL HT or HIDETURTLE Used to hide the turtle once the drawing is complete HT ST or SHOWTURTLW It makes the turtle visible on the screen again. ST SETFC or SETFLOODCOLOR Sets the value of the fill color. SETFC[255 100 200] FILL Fills the enclosed area with the specified color FILL Loops in MSW logo Repeat Command is used to repeat a set of COMMANDS the specified number of times. Triangle 3 (sides) Repeat 3 [FD 100 RT 120] Square (4 sides) Repeat 4 [FD 100 RT 90] Pentagon (5 sides) Repeat 5 [FD 100 RT 72] Hexagon (6 sides) Repeat 6 [FD 100 RT 60] Septagon(7 sides) Repeat 7 [FD 100 RT 51] Octagon (8 sides) Repeat 8 [FD 100 RT 45] Repeat inside Repeat Command One Repeat command can be used inside another repeat command. Some examples are given below: REPEAT 36[REPEAT 4[FD 100 RT 90] RT 10] REPEAT 8 [ REPEAT 5 [ RT 72 FD 70 ] RT 45 ] REPEAT 50 [ELLIPSE 100 30 RT 5] REPEAT 8 [RT 45 REPEAT 6 [REPEAT 90 [FD 2 RT 2] RT 90]] Operators and Operator COMMANDS Operators Description Examples + Addition Pr 3+4 label 1+6+7 - Subtraction label 8-6-7 * Multiplication Pr 8*9 / Division Pr 6/2 Operator COMMANDS COMMANDS Description Examples SUM Finds the sum of two or more numbers PR SUM 30 40 PR (SUM 25 35 45 600 DIFFERENCE Finds the difference between two numbers PR DIFFERENCE 65 45 PRODUCT Finds the product of two or more numbers PR PRODUCT 5 10 PR (PRODUCT 5 25 35) QUOTIENT Finds the quotient when one number is divided by another.)

3 PR QUOTIENT 8 2 REMAINDER Finds the remainder when one number is divided by another. PR REMAINDER 5 3 Link for Extra Practice