Boolean Ghost Pillows

Description: BOO. Cute ghosts in a a boolean AND - looking very spooky in intersection. Programming math humor for halloween. The perfect math teacher, professor, or programmer Halloween shirt. And we have all the Boo operations for a great group costume.

Description: BOO. Cute ghosts in a a boolean OR. Math Set theory programming humor for halloween. The perfect math teacher, professor, or programmer Halloween shirt. And we have all the Boo operations for a great group costume.

Description: Boolean algebra isn't just for mathematical logic. It's also useful in circuit design and programming. The ghosts make an amusing juxtaposition to the geeky math symbols as well as making the "Boo" pun possible.

Description: Cute ghosts in a a boolean NOT. Boo! is for Boolean halloween. Nerdy math humor for halloween. The perfect math teacher, professor, or programmer Halloween t-shirt. And we have all the Boo operations for a great group costume.

Description: This design features a friendly ghost paired with a clever programming pun. It's a fun and quirky choice for anyone who loves coding or enjoys a good wordplay. Makes an awesome gift for programmers, developers, or computer science students for Halloween or any time of year.

Description: Get into the spirit with this "Logic Ghosts" design, featuring the classic programmer joke: "What do you call a two-legged ghost cow? Boolean Beef!" The perfect blend of spooky Halloween fun and nerdy coding humor for developers, engineers, and tech enthusiasts.