Template:Round/doc: Difference between revisions

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meta>Patrick
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**whereas {{xpsoc|#expr:1200004round-1}}, even though  {{xpsoc|#expr:1300004round-1}} (see [[m:Help:Format produced by expr]])  
**whereas {{xpsoc|#expr:1200004round-1}}, even though  {{xpsoc|#expr:1300004round-1}} (see [[m:Help:Format produced by expr]])  
*{{xpsoc|rnd|1300004|-1}}
*{{xpsoc|rnd|1300004|-1}}
*{{xpsoc|rnd|4.1e6|10}}
*{{xpsoc|rnd|1542689271|-7}}
*{{xpsoc|rnd|1542689271|-7}}
*{{xpsoc|rnd|1542689271|2}}
*{{xpsoc|rnd|1542689271|2}}

Revision as of 17:53, 23 November 2010

Usage

This template rounds {{{1}}} to {{{2}}} decimal places (goes the other way for negatives) and includes trailing zeros. Scientific notation is used for numbers greater than or equal to 1×109, or less than 1×10−4.

Compare:

As with #expr, the total number of significant digits is not more than 14:

Internal details

The template calls Template:Rnd/b1 if the number, after rounding, is positive, Template:Rnd/b-1 if it is negative, and Template:Rnd/b0 if it is zero.

Their first parameter is the rounded number, their second the rounding parameter, and their third the value of the condition that the rounding parameter is positive.