| 摘要 |
A system comprises a processor, a keyboard and display. The keyboard is coupled to the processor and comprises a financial calculation key and a selection key. The display also is coupled to the processor. When the financial calculation key is pressed, the processor performs a financial calculation. The financial calculation computes financial data over multiple time periods. Further, the processor sequences through and displays the computed financial data and automatically increments from a current time period to a subsequent time period upon a user repeatedly pressing the selection key.
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