Exterior The Hilton Crystal City Hotel at Ronald Reagan Washington National Airport is located within walking distance to the metro, shopping, restaurants, and businesses, and within minutes of downtown Washington D.C.
A bookcase, or bookshelf, is a piece of furniture, almost always with horizontal shelves, used to store books. Bookcases are used in private homes, public and university libraries, offices and bookstores.
Updated July 28, 2017. A worksheet or sheet is a single page in a file created with an electronic spreadsheet program such as Excel or Google Spreadsheets. A workbook is the name given to an Excel file and contains one or more worksheets. The term spreadsheet is often used to refer to a workbook, when, as mentioned, it more correctly refers to the computer program itself.