Copyright 2007 by Rainer Typke
Across:
A: A square number.
C: A cubic number.
E: A square number.
F: A multiple of E down.
Down:
A: A down equals the first digit of C across to the power of the second digit of C across. For example, if C across were 79, A down would be 7^9.
B: A across - A down
D: A palindrome.
E: the square root of B down.