साँचा:Val/doc
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It contains usage information, categories and other content that is not part of the original साँचा page.
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उपयोग
Set of templates that can be used to easily present values in scientific notation, including uncertainty. They have the same look and feel and wrap the entire result in a"nowrap" block, so it never gets broken in seperate pieces at the end of a line.
मानदण्ड
There are four ways this template can be used:
{{val|''number''}}- for displaying values without uncertainty/significance.{{val|''number''|''uncertainty''}}- for displaying values with uncertainty like so साँचा:val.{{val|''number''|''upper uncertainty''|''lower uncertainty''}}- for displaying values with uncertainty like so साँचा:val.{{val|''number''|(''significance'')}}- for displaying values with significance like so साँचा:val.
They all take roughly the same arguments
| 1 | The value (must be a valid number) |
| 2 | The (upper limit of) uncertainty (must be a valid number) or significance (must be a valid number in parenthesis) |
| 3 | The lower limit of uncertainty (must be a valid negative number) |
| e | The exponent for the power of 10 (optional). This will show up in the result as as " × 10साँचा:su". |
Values (arguments 1-3 and e) are run through code copied from साँचा:tl for readability, except for argument 2 when it is surrounded by parenthesis. This currently causes an error for large numbers, numbers that require high precision and numbers that end in zeros after the decimal point. This last issues is being addressed, the other issues are a caused by a limitation in the wikipedia software for which there currently is no known fix.
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| u / ul | The units for the number (optional, with/without a link to the page about the unit respectively). |
| up / upl | The units per for the units (optional, requires u to be specified, with/without a link to the page about the unit respectively). |
Units (specified by u, ul, up and upl) are replaced by a more esthetically pleasing HTML representation and get a link (ul and upl only, if they are in the list found in साँचा:tl or if they are supported by साँचा:tl). You can specify units using just u; a good example is "ul=m/s", which gets translated to "m·s-1", or you can use u and up, as in "u/up"; a good examples if "ul=m|up=s", which gets translated to "m/s".
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| h | A header for the value (such as ∆, Ø, etc.., optional). |
| f | A footer for the value (such as %, optional). |
Headers (specified by h) and footers (specified by f) are put in front of or behind the value as is: this includes spaces. They are inside the nowrap block and will always be on the same line as the value.
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See साँचा:tl for a list of examples of the correct output of साँचा:tl and the errors it may return when incorrectly used.
गलतियाँ
There is strict checking on the validity of arguments; any incorrect use will result in an error, which is displayed using साँचा:tl. Pages that contain incorrect use of this template will show up on Category:Pages with incorrect formatting templates use.
उदाहरण
{{val|1234567890}}→ साँचा:val {{val|1.23456789}}→ साँचा:val अनिश्चितता/उतार-चढाव {{val|1.234|0.005}}→ साँचा:val {{val|1.234|+0.005|-0.001}}→ साँचा:val {{val|1.234|(5)}}→ साँचा:val घातांक/इकाईयाँ {{val|1.234|e=10|u=m}}→ साँचा:val {{val|1.234|e=10|ul=m}}→ साँचा:val {{val|1.234|0.05|e=5}}→ साँचा:val {{val|1.234567|+0.00005|-0.00004|e=-23|ul=m/s}}→ साँचा:val {{val|1.234567|0.04|e=3|ul=psi}}→ साँचा:val {{val|123.4|ul=USgal}}→ साँचा:val {{val|12.34|ul=mpgimp}}→ साँचा:val पहले/बाद में {{val|h=Δ |12.34|f=%}}→ साँचा:val