ZERO, UM, NOVE and CEM are also perfect squares when each letter represents a different digit, with the same letter always representing the same digit.
Solve this cryptarithm.
ZERO = 9604 (= 98^2)UM = 81 (= 9^2)NOVE = 5476 (= 74^2)CEM = 361 (= 19^2)
blackjack
flooble's webmaster puzzle