RosettaCodeData/Task/Multiplication-tables/Icon/multiplication-tables.icon

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procedure main()
lim := 13
wid := 5
every writes(right("* |" | (1 to lim) | "\n",wid)|right("\n",wid*(lim+1),"_")) # header row and separator
every (i := 1 to lim) &
writes(right( i||" |" | (j := 1 to lim, if j < i then "" else i*j) | "\n",wid)) # table content and triangle
end