content: set R to text returned of (display dialog "Enter number of rows:" default answer 2) as integer
  set c to text returned of (display dialog "Enter number of columns:" default answer 2) as integer
  set array to {}
  repeat with i from 1 to R
  	set temp to {}
  	repeat with j from 1 to c
  		set temp's end to 0
  	end repeat
  	set array's end to temp
  end repeat
  
  -- Address the first column of the first row:
  set array's item 1's item 1 to -10
  
  -- Negative index values can be used to address from the end:
  set array's item -1's item -1 to 10
  
  -- Access an item (row 2 column 1):
  set x to array's item 2's item 1
  
  return array
  
  -- Destroy array (typically unnecessary since it'll automatically be destroyed once script ends).
  set array to {}
  