Template:Round/doc

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Revision as of 16:39, 21 November 2010 by meta>Patrick (→‎Usage: As with #expr, the total number of significant digits is not more than 14: *{{xpsoc|rnd|1234567890.123456789|10}} *{{xpsoc|rnd|123456789.0123456789|10}})
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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.