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Although Excel allows display of up to 30 decimal places, its precision for any specific number is no more than 15 significant figures, and calculations may have an accuracy that is even less due to five issues: round off, [a] truncation, and binary storage, accumulation of the deviations of the operands in calculations, and worst: cancellation ...
[nb 2] For instance rounding 9.46 to one decimal gives 9.5, and then 10 when rounding to integer using rounding half to even, but would give 9 when rounded to integer directly. Borman and Chatfield [15] discuss the implications of double rounding when comparing data rounded to one decimal place to specification limits expressed using integers.
The first part 0.000 is the format with three decimal places for positive numbers. The second part -0.000 is the format with three decimal places for negative numbers (you probably don't have those, but you cannot skip the negative number part in such formatting strings). The third part 0 is what to display in place of single zeros
There are two common rounding rules, round-by-chop and round-to-nearest. The IEEE standard uses round-to-nearest. Round-by-chop: The base-expansion of is truncated after the ()-th digit. This rounding rule is biased because it always moves the result toward zero.
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For example, to round 1.25 to 2 significant figures: Round half away from zero rounds up to 1.3. This is the default rounding method implied in many disciplines [citation needed] if the required rounding method is not specified. Round half to even, which rounds to the nearest even number. With this method, 1.25 is rounded down to 1.2.
For reference, experts recommend no more than one drink a day for females and no more than two drinks a day for males. One drink is defined as 1.5 ounces of liquor, 12 ounces of beer or 5 ounces ...
The good news is that most people improve within one to two days and recover completely, with no long-term health effects. There are, though, some people who become severely ill from norovirus ...