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In February 1982, Apple’s Chris Espinosa ended Steve Jobs’ relentless critiques of a Mac calculator by building a tool that let Jobs tweak every visual parameter himself. Within ten minutes, Jobs settled on a look that shipped with the Macintosh in 1984 and stayed largely unchanged through Mac OS 9, according to Andy Hertzfeld’s Folklore.org. The episode highlights early, forward-thinking visual design tools and a management style where Jobs judged by direct use. Donn Denman later handled the math functions. You can still try the original calculator via the Infinite Mac website.

About this summary

This 60-second summary was prepared by the JQJO editorial team after reviewing 1 original report from Ars Technica.