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<includeonly>{{Ordomag/+sum|{{#ifexpr:{{{1}}}<0|-}}{{{1}}}}}</includeonly><noinclude>This template calculates the (decimal) order of magnitude of numbers within the ranges 10⁶⁶⁶⁰ to 10^-6660 and -10^-6660 to -10⁶⁶⁶⁰.</noinclude>