November 2005
Intermediate to advanced
304 pages
6h 14m
English
Content preview from Wicked Cool Java
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Fractious Fractions: Arbitrary-Precision Arithmetic
Two times two is 3.9999999998, if you believe the results of some calculations using double values. Most Java developers have worked with the double and float data types. Perhaps you have also used some of the methods in the java.lang.Math class. This class is part of the Java core and includes methods for operations such as logarithms, exponents, and trigonometric functions. The precision of a double is sufficient for most needs, but for scientific and theoretical applications its 11-bit exponent and 52-bit mantissa (based on IEEE 754 double-precision floating point) can cause subtle errors ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.