1. Columns make it easier to read a large amount of text. 2. Using columns allows you to fit more text on the page. 3. For a page with a lot of text, columns make it look neater when printed.
Sections in a document have a standard format. For example you can set up sections in your document that have different amounts of columns, if you were doing a magazine. It is possible to have the different sections on the one page. So part of the page woule have 3 columns of text and part could have two columns. A section break will allow you to that. After making a section break, you can change the formatting and it won't affect other sections. A next page section break will create a section break, but start that section on a new page. It is a combination of a section break and a page break.
"When you add columns, there is an option at the bottom to include whole page, or this point forward. Type your title then add columns making sure to check from this point forward." Not my words. Just found it when I was in the same situation. . http://answers.yahoo.com/question/index;_ylt=Aowv0WxEKdGfxSXAS8hPNwYjzKIX;_ylv=3?qid=20090207084844AATeYUD
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256 columns
To find out how in your version of your word processor, press the <F1>key for help and type in "columns" in the search field. You should be directed to a help-page (perhaps on the Internet) which will provide suitable instructions. Follow them.
Draw either 3 rows of 5 columns or 5 rows of 3 columns.
3
To divide a 5.5 inch page into 3 equal columns, you would need to divide the total width of 5.5 inches by 3. This would give you 1.83 inches per column. To represent this as a fraction, you would express it as 1 and 5/6 inches per column, which is the same as 11/6 inches per column.
3 columns
The first matrix has 3 rows and 2 columns, the second matrix has 2 rows and 3 columns. Two matrices can only be multiplied together if the number of columns in the first matrix is equal to the number of rows in the second matrix. In the example shown there are 3 rows in the first matrix and 3 columns in the second matrix. And also 2 columns in the first and 2 rows in the second. Multiplication of the two matrices is therefore possible.
A composite key is one which includes more than one columns in the table as part of the unique identifier. For example if you create a key out of 3 columns in a table this key that gets created is a composite key.