LOGO-L> Need help with variables

[kathymc@key.net.au]

Hi, My name is Kathy and I am new to this list.  I have been teaching
for over 15 years but am currently retraining as a computer studies
teacher.  I am doing an assignment on the basics of logo and am having
trouble distinguishing between global and local variables.  I know that
global variables are created with make " and a local variable is within
one procedure only.  However, I have a problem with understanding why if
running a procedure such as square :side a global variable is created
rather than a local.  Does this make any sense to you because I am
lost?  Is there anyone out there who has the time left in this hectic
life to help me?
Many thanks from Kathy
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