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Computing apparatus and method for rapaid executing discount calculation

A computing device and discount calculation technology, applied in the direction of machine execution devices, calculations, computers, etc., can solve the problems of inconvenience, unable to calculate the price of discounted goods, and not fast enough

Inactive Publication Date: 2004-07-07
KINPO ELECTRONICS
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Problems solved by technology

[0006] Therefore, shoppers calculate the relevant price of the product discount by mental calculation or by pressing the above expression with a calculator. The calculation process is inevitably too complicated and not fast enough.
Therefore, it can be seen from the above that the above-mentioned mental calculation or calculation with the help of a calculator cannot quickly and conveniently calculate the price of the discounted product. In actual use, it is obviously inconvenient and shortcoming, and it can be further improved.

Method used

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  • Computing apparatus and method for rapaid executing discount calculation
  • Computing apparatus and method for rapaid executing discount calculation
  • Computing apparatus and method for rapaid executing discount calculation

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Embodiment Construction

[0017] exist figure 1 In, a system block diagram of the computing device of the present invention is illustrated. The calculation device mainly includes a calculator (CALCULATOR) 10 which includes a microprocessor 11 , a discount calculation unit 12 , an input unit 13 , a random access memory 14 and a display screen 15 .

[0018] The microprocessor 11 controls the operation of the entire calculator 10 and is electrically connected to the discount calculation unit 12 , the input unit 13 , the random access memory (RAM) 14 and the display screen 15 . The discount calculation unit 12 is used to calculate the original price of the product before the discount, the price of the product after the discount and the price saved by the discount. The input unit 13 is a plurality of buttons provided on the calculator 10 for input operation, and the buttons have at least a number key, a symbol key, four (+, -, ×, ÷) operation keys, and a set key for processing discount operation keys (her...

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Abstract

In the present invention, multiple button for discount operation is set on input unit of a computer and figure which is inputted by pressing button for discount operation and is stored in random access memory is brougt into calculation formula for calculting according to command made by microprocessor to the operation unit, furthermore, the calculated result is displayed on the screen so the purchaser can use the computer to calculate out original price of commodity before discount, discount price and the money saved by the discount.

Description

technical field [0001] The invention relates to a calculation device and method capable of quickly performing discount calculations, in particular to a method that can quickly calculate the original price of commodities before discounts. The discounted price and the calculation device of the price saved by the discount (such as general calculators, engineering calculators or calculators on PDAs, mobile phones, and translators). Background technique [0002] Press, when shoppers purchase commodities, if the commodities sold by merchants have discounts, most shoppers calculate the discounts in their minds or with the help of calculators. However, if you want to calculate the product before the discount (such as the original price of the product), after the discount (the original price of the product × discount %), and the money saved due to the discount (the original price of the product - (the original price of the product adjusted to the discount %)), it requires a complicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/14G06F9/38G06F15/00
Inventor 庄铭维陈铭智
Owner KINPO ELECTRONICS
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