Οι Πολλαπλασιασμοί με τον αριθμό 9

  1 x 9 = 09
  2 x 9 = 18
  3 x 9 = 27
  4 x 9 = 36
  5 x 9 = 45 
  6 x 9 = 54
  7 x 9 = 63 
  8 x 9 = 72
  9 x 9 = 81
10 x 9 = 90

                  0 x 9 +   1 = 1
                01 x 9 +   2 = 11
              012 x 9 +   3 = 111
            0123 x 9 +   4 = 1111
          01234 x 9 +   5 = 11111
        012345 x 9 +   6 = 111111
      0123456 x 9 +   7 = 1111111
    01234567 x 9 +   8 = 11111111
  012345678 x 9 +   9 = 111111111
0123456789 x 9 + 10 = 1111111111

                9 x 9  + 7 = 88
               98 x 9 + 6 = 888
             987 x 9 + 5 = 8888
           9876 x 9 + 4 = 88888
         98765 x 9 + 3 = 888888
       987654 x 9 + 2 = 8888888
     9876543 x 9 + 1 = 88888888
   98765432 x 9 + 0 = 888888888
  

            9² = 81
          99² = 9801
        999² = 998001
      9999² = 99980001
    99999² = 9999800001
  999999² = 999998000001
9999999² = 99999980000001

n = 1 (slider from 0 to 4, step 1)