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Buaidh: /* Use */

2010-01-19T14:56:32Z

‎Use

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{{Documentation subpage}}
===Use===
This template creates an [[Help:Sorting#Sorting with a hidden key|invisible sort key prefix]] based upon a [[real number]] for use in [[Help:Sorting|sortable tables]] with mixed numbers and text or merely text. This template creates a valid sort key with an accuracy of one part in 10,000,000,000 for real numbers in the ranges 1e-300 to 1e300 and -1e-300 to -1e300. If the absolute value of the real number is greater than 1e300, this template creates a key representing [[infinity]]. If the absolute value of the real number is less than 1e-300, this template creates a key representing [[infinitesimal]]. If the input variable is not a real number, this template does not create a key.

The syntax for this template is:
<nowiki>{{numkey|var1}}</nowiki>
where:
*var1 = any real number
**NOTE: var1 may not contain [[thousands separator]]s
The use of this template is illustrated below:

{|class="wikitable sortable"
!class=unsortable|[[Wikitext]]
!class=unsortable|[[Help:Sorting#Sorting with a hidden key|Invisible sort key prefix]]
!sort without key
!sort with key
|-
|<nowiki>{{numkey|0}}zero</nowiki>
|<nowiki>!F </nowiki>
|align=center|zero
|align=center|{{numkey|0}}zero
|-
|<nowiki>{{numkey|1}}one</nowiki>
|<nowiki>!C </nowiki>
|align=center|one
|align=center|{{numkey|1}}one
|-
|<nowiki>{{numkey|+2}}+2</nowiki>
|<nowiki>!B9993068528194 </nowiki>
|align=center|+2
|align=center|{{numkey|+2}}+2
|-
|<nowiki>{{numkey|-3}}-3</nowiki>
|<nowiki>!J0010986122886 </nowiki>
|align=center|-3
|align=center|{{numkey|-3}}-3
|-
|<nowiki>{{numkey|-4.01267}}-4.01267</nowiki>
|<nowiki>!J0013894568551 </nowiki>
|align=center|-4.01267
|align=center|{{numkey|-4.01267}}-4.01267
|-
|<nowiki>{{numkey|5.125}}5.125&nbsp;amperes</nowiki>
|<nowiki>!B9983658694749 </nowiki>
|align=center|5.125 amperes
|align=center|{{numkey|5.125}}5.125 amperes
|-
|<nowiki>{{numkey|{{#expr:2*pi}}}}2&pi;</nowiki>
|<nowiki>!B9981621229335 </nowiki>
|align=center|2π
|align=center|{{numkey|{{#expr:2*pi}}}}2π
|-
|<nowiki>{{numkey|7}}VII</nowiki>
|<nowiki>!B9980540898509 </nowiki>
|align=center|VII
|align=center|{{numkey|7}}VII
|-
|<nowiki>{{numkey|8.27}}£8.27</nowiki>
|<nowiki>!B9978873654909 </nowiki>
|align=center|£8.27
|align=center|{{numkey|8.27}}£8.27
|-
|<nowiki>{{numkey|-9.000}}-9.000</nowiki>
|<nowiki>!J0021972245773 </nowiki>
|align=center|-9.000
|align=center|{{numkey|-9.000}}-9.000
|-
|<nowiki>{{numkey|10}}10 apples</nowiki>
|<nowiki>!B9976974149070 </nowiki>
|align=center|10 apples
|align=center|{{numkey|10}}10 apples
|-
|<nowiki>{{numkey|1776}}MDCCLXXVI</nowiki>
|<nowiki>!B9925178810764 </nowiki>
|align=center|MDCCLXXVI
|align=center|{{numkey|1776}}MDCCLXXVI
|-
|<nowiki>{{numkey|10000000000}}10,000,000,000</nowiki>
|<nowiki>!B9769741490700 </nowiki>
|align=center|10,000,000,000
|align=center|{{numkey|10000000000}}10,000,000,000
|-
|<nowiki>{{numkey|10000000001}}10,000,000,001</nowiki>
|<nowiki>!B9769741490699 </nowiki>
|align=center|10,000,000,001
|align=center|{{numkey|10000000001}}10,000,000,001
|-
|<nowiki>{{numkey|12046360889000}}$12,046,360,889,000</nowiki>
|<nowiki>!B9698802162706 </nowiki>
|align=center|$12,046,360,889,000
|align=center|{{numkey|12046360889000}}$12,046,360,889,000
|-
|<nowiki>{{numkey|1e100}}googol</nowiki>
|<nowiki>!B7697414907005 </nowiki>
|align=center|googol
|align=center|{{numkey|1e100}}googol
|-
|<nowiki>{{numkey|-1}}minus one</nowiki>
|<nowiki>!I </nowiki>
|align=center|minus one
|align=center|{{numkey|-1}}minus one
|-
|<nowiki>{{numkey|0.25}}$0.25</nowiki>
|<nowiki>!D0013862943611 </nowiki>
|align=center|$0.25
|align=center|{{numkey|0.25}}$0.25
|-
|<nowiki>{{numkey|-0.035}}-0.035</nowiki>
|<nowiki>!H9966475927825 </nowiki>
|align=center|-0.035
|align=center|{{numkey|-0.035}}-0.035
|-
|<nowiki>{{numkey|-1.4525e-9}}-1.4525e-9&nbsp;m</nowiki>
|<nowiki>!H9796500203727 </nowiki>
|align=center|-1.4525e-9 m
|align=center|{{numkey|-1.4525e-9}}-1.4525e-9 m
|-
|<nowiki>{{numkey|1e-300}}googol-3</nowiki>
|<nowiki>!D6907755278982 </nowiki>
|align=center|googol-3
|align=center|{{numkey|1e-300}}googol-3
|-
|<nowiki>{{numkey|-1e300}}-googol3</nowiki>
|<nowiki>!J6907755278982 </nowiki>
|align=center|-googol3
|align=center|{{numkey|-1e300}}-googol3
|-
|<nowiki>{{numkey|1e301}}1e301</nowiki>
|<nowiki>!A </nowiki>
|align=center|1e301
|align=center|{{numkey|1e301}}1e301
|-
|<nowiki>{{numkey|1e-302}}1e-302</nowiki>
|<nowiki>!E </nowiki>
|align=center|1e-302
|align=center|{{numkey|1e-302}}1e-302
|-
|<nowiki>{{numkey|-1e303}}-1e303</nowiki>
|<nowiki>!K </nowiki>
|align=center|-1e303
|align=center|{{numkey|-1e303}}-1e303
|-
|<nowiki>{{numkey|-1e-304}}-1e-304</nowiki>
|<nowiki>!G </nowiki>
|align=center|-1e-304
|align=center|{{numkey|-1e-304}}-1e-304
|-
|<nowiki>{{numkey|not a number}}AAA</nowiki>
|
|align=center|AAA
|align=center|{{numkey|not a number}}AAA
|-
|<nowiki>{{numkey}}ZZZ</nowiki>
|
|align=center|ZZZ
|align=center|{{numkey}}ZZZ
|-
|}

===See also===
*This template invokes [[Template:Hid]].
*[[Template:Numkey2]] invokes this template and provides additional functionality.
<includeonly>
[[Category:Sorting templates|{{PAGENAME}}]]
</includeonly>

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