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<includeonly>{{Ordomag/sum|{{#ifexpr:{{{1}}}<0|-}}{{{1}}}|{{{2}}}}}</includeonly><noinclude>This template calculates the (decimal) order of magnitude of numbers within the ranges 10²⁴⁶⁰ to 10^-2460 and -10^-2460 to -10²⁴⁶⁰.</noinclude>