Question

What is double precision floating point?

Answer 1

The extra bits increase not only the precision but also the range of magnitudes that can be represented. The exact amount by which the precision and range of magnitudes are increased depends on what format the program is using to represent floating-point values. Most computers use a standard format known as the IEEE floating-point format.

Answer 2

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➡️Precision refers to the closeness of two or more measurements to each other.

➡️Using the example above, if you weigh a given substance five times, and get 3.2 kg each time, then your measurement is very precise.

➡️Precision is independent of accuracy.