A multiplication table for the Cheela
Pyth, 27 * 0.8 = 21.6

VSQsm.[\ 4jkXj*dNQrT99rG1SQ


Try it online: Demonstration

Explanation:

VSQsm.[\ 4jkXj*dNQrT99rG1SQ   implicit: Q = input number
VSQ                           for N in [1, 2, ..., Q]:
    m                    SQ      map each number d in [1, 2, ..., Q] to:
              *dN                   N * d
             j   Q                  in base Q
            X     rT99rG1           replace the numbers [10, 11, ..., 98] with "A...Z"
          jk                        join to a string
     .[\ 4                          prepend spaces, so that the string has a length of 4
   s                             join all strings and print