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9.4. Calculator

Over the years, just about every Mac program and feature evolved, matured, and grew. For 17 years, however, one program chugged along, essentially untouched: the simple, four-function Calculator. As late as 2002, this Calculator still lacked memory keys, a percentage key, or a CE (clear entry) key, let alone any advanced functions. By the time Mac OS X came along, it was the very last piece of original Mac OS software still standing.

That relic is finally gone. The new Calculator is far more potent than the humble fourfunction program that preceded it. It can act as a scientific calculator for students and scientists, a conversion calculator for metric and U.S. measures, and even a currency calculator for world travelers.


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