{"id":5781,"date":"2023-07-14T09:49:21","date_gmt":"2023-07-14T08:49:21","guid":{"rendered":"https:\/\/styleguide.iec.ch\/?docs=docly-documentation\/elements\/numbers"},"modified":"2023-09-19T18:18:38","modified_gmt":"2023-09-19T17:18:38","slug":"numbers","status":"publish","type":"docs","link":"https:\/\/styleguide.iec.ch\/?docs=iec\/typographic\/numbers","title":{"rendered":"Numbers"},"content":{"rendered":"\t\t
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Each group of three digits reading to the left and to the right of a decimal sign is separated by a thin space [1\/4 Em space] from preceding digits or following digits respectively<\/p>

\u00a0<\/p>

\"\" Exceptions: years, numbers used in references<\/p>

This rule does not concern binary or hexadecimal values<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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1 000 000
59 531,66
1,618 033 988 75
2019 [current year]
IEC 62501<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Note\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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In Word for Office 365,
Insert>Symbol>More Symbols>Special Characters>1\/4 Em Space
alternatively, you can assign your own shortcut keygo.iec.ch\/iecsgfont<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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The decimal separator is a comma [not a dot]<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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8,187 million<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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All numbers from one to nine shall be spelled out. From 10 on, numbers shall be written in figures<\/p>

\"\"Exceptions:<\/p>

  • when a sentence starts with a number it shall be spelled out, except for years<\/li>
  • numbers in a list shall all be in figures<\/li>
  • numbers in a reference, an address, etc. shall be written in figures<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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    Twenty people are attending
    Over 20 people are attending
    2019 is a challenging year
    this may occur 8, 9 or even 10 times
    IEC is located at 3 rue de Varemb\u00e9
    as specified in clause 5<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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    <\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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    The minus sign is En dash [\u2013] not hyphen [-]<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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    \u20136 \u00b0C<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Note\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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    In Word for Office 365,
    Insert>Symbol>More Symbols>Special Characters>En Dash, or
    keyboard shortcut for En dash: Ctrl+Num Lock+-go.iec.ch\/iecsgfont<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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    <\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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    There is no space between a mathematical symbol and a number when it is a value<\/p>

    Use a space before and after a mathematical symbol in formulae<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Examples1\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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    >5
    9 > 8
    4 \u2013 2<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Exception\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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    These rules do not apply to reports issued in their entirety by the Finance and Accounting departmentgo.iec.ch\/iecsgfont<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

    Each group of three digits reading to the left and to the right of a decimal sign is separated by a thin space [1\/4 Em space] from preceding digits or following digits respectively \u00a0 Exceptions: years, numbers used in references This rule does not concern binary or hexadecimal values 1 000 00059 531,661,618 033 988 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":2744,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","doc_tag":[],"class_list":["post-5781","docs","type-docs","status-publish","hentry","no-post-thumbnail"],"_links":{"self":[{"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=\/wp\/v2\/docs\/5781","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5781"}],"version-history":[{"count":16,"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=\/wp\/v2\/docs\/5781\/revisions"}],"predecessor-version":[{"id":6367,"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=\/wp\/v2\/docs\/5781\/revisions\/6367"}],"up":[{"embeddable":true,"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=\/wp\/v2\/docs\/2744"}],"wp:attachment":[{"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5781"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/styleguide.iec.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=5781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}