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| | ESC |
| will normally cancel what you are currently doing, and go back to the most appropriate point just before. |
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| | TAB |
| is like the tabulate key on a typewriter. Use it for making columns of figures, or arranging tables. |
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| | MENU |
| enables you to select which of the Cambridge Z88's operations you want to carry out. These are explained in greater detail in the section Using menus on p. 20. |
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| | INDEX |
| will return you to the Index from within an application. |
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| | HELP |
| gives you a display of information about the action you are currently carrying out. Further information is then available on related topics. |
 | introduces a short cut to calling an application or a popdown. |
 | introduces a short cut for carrying out an operation within an application or popdown. A list of the most useful of these operations is given on the Single key functions card, above the Cambridge Z88 keyboard. |