| 摘要 |
The calculator has a housing (1) containing electronic circuits, a memory and a microprocessor and has on one of its faces a keyboard (2), a several line display (3) and an external connection (4). In addition to the calculating functions the device is designed to display a message recorded in its memory, which may be messages or publicity material. The calculator has a housing (1) containing electronic circuits, a memory and a microprocessor and has on one of its faces a keyboard (2), a several line display (3) and an external connection (4). In addition to the calculating functions the device is designed to display a message recorded in its memory. By pressing on a 'Pro' key on the keyboard (2) a rate can be recorded into memory. Pressing on any number key display them in the first line of the display. Pressing on the keys +-:x or =; causes to be displayed on the displays second line a converted sum as a function of the stored conversion rate. If no key is pressed for a set time period a moving display is actuated, which may be messages or publicity material.
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