Vtech Power Zone 2000 User Manual - Page 40

if... then... else... IF runs the instructions if the result of the conditional statement (if ... ) is TRUE. If the conditional statement is FALSE, nothing is done unless ELSE follows the instructions. label...go LABEL marks the beginning of a GO-LABEL loop. Its input must match the input of the corresponding GO command. Used in conjunction with GO. repeat: REPEAT runs the list of instructions in the second input the number of times indicated by its first input. The number input to REPEAT can be any positive number. If the number is not an integer,its fractional portion is ignored. REPEAT commands can be nested, or placed, inside other REPEAT commands. while: WHILE evaluates its first input and runs the LOGO command(s) in its second input if the value of the first input is TRUE. WHILE will continue this process until the value of the first input is FALSE. to... end define function or procedure,then be called. make: MAKE defines a variable using the name of the first input and assigns the second input as the value of that variable. Once you have created the variable, you can get its contents by using :name. Think of the colon (:) as "the value of name." stop: STOP makes Logo halt execution of the current procedure and return to the calling procedure. LOGO BEGINNER This activity contains LOGO sample program for beginners. LOGO INTERMEDIATE This activity contains LOGO sample program for intermediate level. LOGO ADVANCED This activity contains LOGO sample program for advanced level. 32