Data processing: financial – business practice – management – or co – For cost/price
Patent
1997-07-25
2000-06-13
Trammell, James P.
Data processing: financial, business practice, management, or co
For cost/price
708106, 705 15, G06F 1502
Patent
active
060760796
ABSTRACT:
An electronic calculating device for conveniently calculating a percentage of a value, as is often performed in a restaurant or bar when calculating a gratuity based on the amount of a bill is provided. The invention is a device having a first side and a second side, with a control mechanism on the first side which the server or diner can use to input a bill amount. A control mechanism is positioned on the second side for causing a processor to calculate a percentage value of the bill amount. Preferably, a display is provided for displaying the percentage value or tip amount, as well as the total of the tip and the amount of the bill.
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Boston Barbara
Boston Bob
Trammell James P.
Young John Leonard
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