| Subject | English | Icelandic |
| math. | down cross | niður kross |
| comp., MS | drill down | kafa niður (To navigate through levels of data starting from the most summarized (up) to the most detailed (down)) |
| comp., MS | drop-down arrow | felliör (An arrow associated with a drop-down combo or list box or some toolbar buttons, indicating a list the user can view by clicking the arrow) |
| comp., MS | drop-down combo box | samsettur fellilisti (A standard Windows control that combines the characteristics of a text box with a drop-down list box) |
| comp., MS | drop-down list | fellilisti (A list that can be opened to reveal all choices for a given field) |
| comp., MS | drop-down list box | fellilistareitur (A control on a menu, toolbar, dialog box, or data access page that displays a list of options when you click the small arrow next to the list box) |
| comp., MS | drop-down menu | fellivalmynd (A menu that drops from the menu bar when requested and remains open without further action until the user closes it or chooses a menu item) |
| comp., MS | face down | framhlið niður (An orientation of printed paper where the printed side is against a surface. For example, paper is face down when it is placed in a copier with the printed side against the copying surface) |
| comp., MS | hold down | halda niðri (To continue to press a keyboard key or mouse button) |
| comp., MS | PAGE DOWN key | PAGE DOWN-lykill (" A keyboard key (often labeled "PgDn") that is often used to move the cursor down to the top of the next page or a specific number of lines. Its function may vary in different programs.") |
| comp., MS | Shut Down | Ganga frá (A menu item that provides options for restarting or turning off your computer, or for activating Stand By or Hibernate modes) |
| comp., MS | shut down | ganga frá (To close the operating system in an orderly fashion) |
| math. | step-down procedure | skref niður málsmeðferð |
| math. | up and down method | Bruceton aðferð |
| comp., MS | up-down bars | upp-niðursúlur (In line charts with multiple data series, bars that indicate the difference between data points in the first and last series) |
| comp., MS | write-down adjustment | niðurfærsluleiðrétting (An adjustment to decrease the value of a fixed asset for accounting purposes) |