<?xml version="1.0" encoding="UTF-8"?><toc><section id="foreword.nat"><title>Nationales Vorwort</title><section id="sub-amendments"><title>Änderungen</title></section><section id="sub-previous.edition"><title>Frühere Ausgaben</title></section></section><section id="foreword.reg"><title>Europäisches Vorwort</title></section><section id="sub-endorsement.notice"><title>Anerkennungsnotiz</title></section><section id="foreword.int"><title>Vorwort</title></section><section id="introduction.int"><title>Einleitung</title></section><section id="sub-1"><label>1</label><title>Anwendungsbereich</title></section><section id="sub-2"><label>2</label><title>Normative Verweisungen</title></section><section id="sub-3"><label>3</label><title>Begriffe</title></section><section id="sub-4"><label>4</label><title>Größen</title><section id="sub-4.1"><label>4.1</label><title>Der Größenbegriff</title></section><section id="sub-4.2"><label>4.2</label><title>Größensystem — Basisgrößen und abgeleitete Größen</title></section><section id="sub-4.3"><label>4.3</label><title>Universalkonstanten und empirische Konstanten</title></section><section id="sub-4.4"><label>4.4</label><title>Konstante Faktoren in Größengleichungen</title></section><section id="sub-4.5"><label>4.5</label><title>Internationales Größensystem (ISQ)</title></section></section><section id="sub-5"><label>5</label><title>Dimensionen</title></section><section id="sub-6"><label>6</label><title>Einheiten</title><section id="sub-6.1"><label>6.1</label><title>Allgemeines</title></section><section id="sub-6.2"><label>6.2</label><title>Einheiten und Zahlenwerte</title></section><section id="sub-6.3"><label>6.3</label><title>Mathematische Operationen</title></section><section id="sub-6.4"><label>6.4</label><title>Größengleichungen und Zahlenwertgleichungen</title></section><section id="sub-6.5"><label>6.5</label><title>Kohärente Einheitensysteme</title></section></section><section id="sub-7"><label>7</label><title>Schreibregeln</title><section id="sub-7.1"><label>7.1</label><title>Formelzeichen für Größen</title><section id="sub-7.1.1"><label>7.1.1</label><title>Allgemeines</title></section><section id="sub-7.1.2"><label>7.1.2</label><title>Indizes</title></section><section id="sub-7.1.3"><label>7.1.3</label><title>Verknüpfung von Formelzeichen für Größen</title></section><section id="sub-7.1.4"><label>7.1.4</label><title>Angabe von Größen</title></section><section id="sub-7.1.5"><label>7.1.5</label><title>Angabe von Dimensionen</title></section></section><section id="sub-7.2"><label>7.2</label><title>Zahlen</title><section id="sub-7.2.1"><label>7.2.1</label><title>Allgemeines</title></section><section id="sub-7.2.2"><label>7.2.2</label><title>Dezimalzeichen</title></section><section id="sub-7.2.3"><label>7.2.3</label><title>Multiplikation und Division</title></section><section id="sub-7.2.4"><label>7.2.4</label><title>Abweichung und Unsicherheit</title></section></section><section id="sub-7.3"><label>7.3</label><title>Chemische Elemente und Nuklide</title></section><section id="sub-7.4"><label>7.4</label><title>Griechisches Alphabet</title></section></section><section id="sub-a"><label>Anhang A</label><title>Spezifische für Größen verwendete Benennungen (normativ)</title><section id="sub-a.1"><label>A.1</label><title>Allgemeines</title></section><section id="sub-a.2"><label>A.2</label><title>Koeffizienten und Faktoren</title></section><section id="sub-a.3"><label>A.3</label><title>Parameter, Zahlen und Verhältnisse</title></section><section id="sub-a.4"><label>A.4</label><title>Konstanten</title></section><section id="sub-a.5"><label>A.5</label><title>Benennungen für allgemeine Anwendung</title></section></section><section id="sub-b"><label>Anhang B</label><title>Runden von Zahlen (normativ)</title></section><section id="sub-annex.bibliography.int"><title>Literaturhinweise</title></section><section id="sub-annex.bibliography.nat"><label>Nationaler Anhang NA</label><title>Literaturhinweise (informativ)</title></section></toc>