| 摘要 |
A hand-held electronic device with calculation operating functions, including a main body, a plurality of number keys disposed on the main body, a display, and at least M operation keys, is disclosed. The display is used for displaying an operation indicator area, a highlight, and a numeral area. Operation indicator area includes N operator indicators arranged in M directions around the reference point. The highlight is used to indicate the selected operator indicator. Numeral area is used to display various numbers. M operation keys are respectively corresponding to M directions of the operator indicators. As one of the M operation keys is triggered, the highlight shifts along the corresponding direction to choose the operator indicator and to perform the corresponding operating functions.
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