The Number Devil. Use the drop down menus to decide what it indicates "All I want is to perk vou up a little, and since I'm off duty most nights, I thought I'd spare you those endless slides you've been going down "This indicates that the Number Devil "That's no way to talk to a devil," he shouted, his eyes sparkling, and he trampled the grass until it was all fiat This indicates that the Number Devil "But mathematics, my boy, that's something else again! This indicates that the Number Devil its US​