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Question: About the importance of brackets like "[" (called Presentation-Block or group)

Question:About the importance of brackets like "[" (called Presentation-Block or group)

Bendesarts 440 Maple
June 17 2015
0

Hello,

In a worksheet, I don't know why the brackets like this "[" where normally I put my maple inputs and generally before the symbol ">" are not present (or displayed).

1) Are these brackets important for the computation of calculations in a worksheet ?

2) How can I do to display them again?

Thank you foryour help.

 
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