Answered
Hi,
you should be able to fix this by loading the "Algebra & Graphics" perspective (in the "Perspectives" menu), make the spreadsheet view visible again and save the settings afterwards.
Thanks,
Florian
The same question 
Hi,
you should be able to fix this by loading the "Algebra & Graphics" perspective (in the "Perspectives" menu), make the spreadsheet view visible again and save the settings afterwards.
Thanks,
Florian
Does Options -> Restore default settings help?
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