साँचा:Order of magnitude का स्रोत देखें

<includeonly>{{safesubst:<noinclude/>#ifexpr:{{{1|0}}}=0
   |{{safesubst:<noinclude/>#ifexpr:abs{{{1|0}}}1=1
      |0
      |{{safesubst:<noinclude/>#expr:floor((ln(abs{{{1}}}1)/ln10)+1)}}
    }}
   |{{safesubst:<noinclude/>#expr:floor((ln(abs({{{1|0}}}) )/ln 10)+1E((abs{{{1|0}}}>1E100 or abs{{{1|0}}}<1E-100)-14))}}
}}</includeonly><noinclude>
{{documentation}}
</noinclude>