These waves occur within the lower 20 km of the atmosphere, and are comprised of a direct and reflected wave. The radio waves having high frequencies are basically called as space waves. These waves have the ability to propagate through atmosphere, from transmitter antenna to receiver antenna.
In published articles it also identifies the article for the reader at a glance. Formatting Instructions. The running head (along with the page numbers) appears in the header of every page (the header by nature is situated within the top margin of your paper; all the margins themselves should be set to 1 inch).
Formatting Numbers with PHP's number_format() Function. Learn how to use number_format() to display numbers to the user in an easy-to-read format, including thousands separators. When displaying a number in a Web page, it's nice to format the number in an easy-to-read way. For example, 123,456.78 is nicer to read than 123456.784321. PHP's number_format() function gives you an easy way to format numbers for displaying to the user. You can separate thousands with commas or other separators, choose the decimal point character, and choose the number of decimal places to display (or display no decimals at all).