View source for Template:Physical constants

<includeonly>{{#switch: 1
 | {{#ifeq:{{{runc}}}|yes|1}} = {{#ifeq:{{{symbol}}}|yes|''u''<sub>r</sub>({{Physical constants/data|{{{1}}}|symbol}})&nbsp;&#61;&nbsp;}}{{val|{{Physical constants/data|{{{1}}}|runc}}|e={{Physical constants/data|{{{1}}}|rexp}}}}
 | {{#ifeq:{{{ref}}}|only|1}} =
 | #default = {{#ifeq:{{{symbol}}}|yes|{{Physical constants/data|{{{1}}}|symbol}}&nbsp;{{#if:{{{round|}}}|≈|&#61;}}&nbsp;}}<!--
-->{{val
     |1={{#if:{{{round|}}}<!--
      rounded -->|{{#expr:{{Physical constants/data|{{{1}}}|val}} round {{{round}}}}}<!--
  not rounded -->|{{Physical constants/data|{{{1}}}|val}}
     }}
     |2={{#if:{{{round|}}}|<!--nothing-->|{{Physical constants/data|{{{1}}}|unc}} }}
     |end={{#if:{{{round|}}}|<!--nothing-->|{{Physical constants/data|{{{1}}}|end}} }}
     |e={{Physical constants/data|{{{1}}}|exp}}
     |u={{#ifeq:{{{unit}}}|no|<!--nothing-->|{{Physical constants/data|{{{1}}}|unit}} }}
  }} 
}}{{{after|}}}{{#ifeq:{{{ref}}}|no|<!--nothing-->|{{Physical constants/data|{{{1}}}|ref}} }}<!--

Cat check for auto-rounding
-->{{main other|{{#if:{{{round|}}}|{{#ifeq:{{{round|}}}|auto|[[Category:Pages using Template:Physical constants with auto rounding]]|[[Category:Pages using Template:Physical constants with rounding]]}}}}}}</includeonly><noinclude>
{{documentation}}
</noinclude>