Pi - Clarification — OZONE Asylum, home of the Mad Scientists

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Your Text: Insert Slimies » Insert UBB Code » Close Last Tag \| All Tags UBB Help	[quote]1) from wiki it is defined as "When a circle's diameter is 1, its circumference is pi" - question what is the reference point for measuring 1??[/quote] To be a little more accurate, the 1 is the reference point. It's defined as 1. If it were anything else, you would just multiply the 1 and the PI by the relevant units and get your answer. Also, unless you're doing something crazy, you generally don't need much precision. For napkin math, 3.14 or 22/7 work fine. When writing physics code or something, I tend to just use whatever abstraction in built into the language I'm using (M_PI, Math.PI) since if you have something revolving 1000 times, 3.14 starts to become very different from 3.1415927... Loading...
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