<includeonly>{{Ordomag/+|{{#ifexpr:{{{1}}}<0|-}}{{{1}}}}}</includeonly><noinclude>This template calculates the (decimal) order of magnitude of numbers within the ranges 10<sup>66<{{ordomag/sup> to 10<sup>-66</sup> and -10<sup>-66</sup> to -10<sup>66</sup>. <strong>Note</strong>, this macro will currently underflow on zero, causing an error message to be returned instead of the value 0 (zero).doc}}</noinclude>