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<includeonly>{{#ifeq:{{{1<noinclude>|0</noinclude>}}}|0 |0 |{{Sigfigsignificant figures/sum|{{#ifexprif:{{{12|}}}<0 |rnd |-sum }}{{{ |1}}}|={{#ifexprformatnum:{{{1}}}<0|-R}} |2={{{12}}}1 |3={{OrdomagOrder of magnitude|{{formatnum:{{{1}}}|R}}}} }}}}</includeonly><noinclude>This template counts the number of significant figures of a given number within the ranges 10¹² to 10^-12 and -10^-12 to -10¹². It ignores any digits outside of this range<!--... maybe -->.{{documentation}}</noinclude>