The Original Macintosh: Calculator Construction Set

10 months ago

Chris Espinosa started working at Apple at age 14 and became one of its earliest employees.
He left Apple in 1978 for college but continued freelance work, including writing the Apple II Reference Manual.
In 1981, Steve Jobs convinced Chris to drop out of college to join the Mac team full-time as the manager of documentation.
Chris focused on documenting Quickdraw, the Macintosh's graphics package, and created a demo program featuring a calculator.
Steve Jobs critiqued the initial calculator design, leading Chris to develop a customizable 'Calculator Construction Set' with adjustable parameters.
Steve Jobs fine-tuned the calculator's design using the new tool, and this design became the standard Macintosh calculator for years.

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