<includeonly>{{Ordomag/sum{{{|safesubst:}}}#ifexpr:{{{1|0}}}=0 |{{{{{|safesubst:}}}#ifexpr:abs{{{1|0}}}<1=1 |0 |-{{{{{|safesubst:}}}#expr:floor((ln(abs{{{1}}}1)/ln10)+1)}} }}</includeonly><noinclude>This template calculates the |{{#expr:floor((ln(abs(decimal{{{1|0}}}) ) order of magnitude of numbers within the ranges 10<sup>60</sup> to ln 10<sup)+1E((abs{{{1|0}}}>-601E100 or abs{{{1|0}}}</sup> and 1E-10<sup>100)-6014))}}}}</sup> to -10<supincludeonly>60</supnoinclude>.{{documentation}}</noinclude>