The Parallax P8X32A Propeller chip, introduced in 2006, is a multi-core architecture parallel microcontroller with eight 32-bit RISC CPU cores. The Parallax Propeller microcontroller, Propeller Assembly language, and Spin interpreter were designed by one person, Parallax's co-founder and president Chip Gracey. The Spin programming language and "Propeller Tool" integrated development environment were designed by Chip Gracey and Parallax's software engineer Jeff Martin.