In 1982, Chris Espinosa, then a young programmer at Apple, faced relentless criticism from Steve Jobs about his calculator design for the upcoming Macintosh. Despite Espinosa's efforts to revise the design based on Jobs' feedback, the constant changes left him frustrated. Jobs found fault with various aspects, from the background color to the button sizes. After several days of this back-and-forth, Espinosa came up with a clever solution: he created a "Roll Your Own Calculator Construction Set," allowing Jobs to tweak the design himself. Espinosa's journey at Apple began when he was just 14 years old, and by 1981, he had dropped out of UC Berkeley to join the Mac team full time, having been convinced by Jobs himself. His initial role involved managing documentation, but he took the initiative to develop a demo program using QuickDraw, Apple’s graphics system. The calculator was intended as one of several small utility programs, known as desk accessories, that would accompany the Mac’s launch in January 1984. The anecdote, shared by Andy Hertzfeld on Folklore.org, highlights the challenges of working with a demanding figure like Jobs. Rather than a collaborative effort, the design process became a one-man committee, with Espinosa struggling to meet Jobs' high standards. This story reflects the unique dynamics of early Apple culture and how individual personalities could shape product development.