Partly because of an expected shortage in certain ISBN categories, the International Organization for Standardization (ISO) decided to migrate to a thirteen-digit ISBN (ISBN-13). The process began 1 January 2005 and was planned to conclude 1 January 2007.[48] As of 2011, all the 13-digit ISBNs began with 978. As the 978 ISBN supply is exhausted, the 979 prefix was introduced. Part of the 979 prefix is reserved for use with the Musicland code for musical scores with an ISMN. The 10-digit ISMN codes differed visually as they began with an "M" letter; the bar code represents the "M" as a zero (0), and for checksum purposes it counted as a 3. All ISMNs are now 13 digits commencing 979-0; 979-1 to 979-9 will be used by ISBN.


1. digit, figure. 2. Number, sum both imply the total of two or more units. Number applies to the result of a count or estimate in which the units are considered as individuals; it is used of groups of persons or things: to have a number of items on the agenda. Sum applies to the result of addition, in which only the total is considered: a large sum of money. 20. copy, edition.
Since Word 2000 applies outline numbering by default, as you press TAB or SHIFT+TAB in a numbered list, you are moved to the next or previous outline level. If you are in a numbered list that has outline numbering generated by the method described in the previous exercise, when you choose Bullets and Numbering from the Format menu (or alternate-click a portion of the numbered list), the Numbered tab appears on the Bullets and Numbering dialog box. However, if you first select the entire list and choose Bullets and Numbering from the Format menu, the Outline Numbered tab from the Bullets and Numbering dialog box is selected.
When your first page is a title page, you might want to use a different footer or header for it than you use in the rest of your document and you might not want the page number to show up on that page. When you open your header or footer section by double-clicking somewhere in those areas, Word opens a new “Design” tab on the Ribbon in a section named “Header & Footer Tools.”
Inserting page numbers into your InDesign document is quick and simple. The first thing to realise is that InDesign numbers pages according to the page numbers listed in the Pages Panel (Window > Pages). Unless you want to spend the time manually inserting individual page numbers to override this, you should understand how to define sections in your document (see Step 2, below). numbering
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