If your want to have some fun with windows open the calculator and set it to scientific mode and copy and paste the following into the calculator window and watch the buttons fly

Random pattern a014789/*-+dcba014789/*-+dcba014789/*-+dcba014789/*-+dcba014789/*-+dcba014789/*-+dcba014789/*654123-+.cd+.cbabcd+.cd+-*/987

Spells something on the keypad 7410a23/*-+d7410a23/*-+d7410a23/*-+d/9874123-3210abcd/9874123-3210abcd/9874123-3210abcd7410abcdcba01477410abcdcba01477410abcdcba01477410abcdcba01477410abcdcba01477410abcdcba01477410abcdcba01477410abcdcba0147789/*-+dbca014789/*-+dbca014789/*-+dbca014789/*-+dbca014