> <\body> You can select text and formulas by maintaining the left mouse button. In order to delete the selected region, use . In order to copy the selected region, first click on . Next, paste it as many times as you want to the location of your cursor, using . Alternatively, you may copy a selected region using the middle mouse button. It is also possible to the change text properties of a selected region. For instance, in order to transform some black text in red, you select it using the left mouse button and click on . Similarly, if you select a formula and you click on , then the formula becomes the numerator of some fraction. When using the copy and paste mechanism to communicate with other applications, text is copied and pasted using the data format. You may specify other import and export formats using resp. . By default, copying and pasting uses the primary text buffer. Using and , you may specify as many other buffers as you like. There are two ways to make selections using the keyboard. When using the cursor keys , , while holding down the button, you may select text while moving around the cursor. Alternatively, you may press once to fix a starting position. When moving around using the cursor keys, the text between the starting position and the current position keeps being selected. The selection gets cleared when pressing . Notice that the shortcut also allows you to make . You may select the current word you are in by pressing twice. Each additional time you press results in the selection of the smallest structure that englobes the current selection. Ultimately, when the entire document gets selected, pressing once more clears the selection. >