JP6155692B2 - Label issuing device and program - Google Patents

Description

The present invention relates to a label issuing device and a program .

  2. Description of the Related Art There is known a label printer that has a scale for weighing a product, calculates a product price from a weighing result and a unit price, and prints on a label. In addition, as a price display of a product, a tax system is adopted in which a consumption tax is added to the main product price and displayed. Therefore, in such a label printer, at present, a consumption tax of 5% is added to the main unit price calculated from the measurement result and the unit price, and the price is calculated as the price of the product.

  However, the price of the product may be changed in service time or the like. In addition, the current consumption tax of 5% may be changed to 8% or 10% in the future. When the consumption tax rate is changed, it is necessary to change the PLU (Price Look Up) of the POS (Point Of Sale) system, but it takes time to rewrite the PLU. Here, the PLU is a table in which product codes and sales prices including consumption tax are associated with each other. When the consumption tax increases, the correct price of the product including the consumption tax cannot be presented to the consumer unless the PLU for the called product is changed.

  Therefore, for example, Patent Document 1 discloses a technique that can be used to perform calculation with a keyboard and reflect it in print data when a product discount is performed at a service time or the like by switching between a print function and a calculation function. Has been. Japanese Patent Application Laid-Open No. 2004-228561 discloses a technique in which a calculation formula is registered in a label printer, calculation is performed based on the calculation formula, and the calculation result is printed on a label.

JP 2001-270160 A JP 2003-131860 A

  However, in the one disclosed in Patent Document 1, when discounting a product during service time or the like, calculation using a keyboard is required, and operability is not good. In Patent Document 2, an external device such as a personal computer is required to change the calculation formula.

  In addition, when changing prices due to discounts on products or changes in consumption tax, it is desirable that the current price can be compared with the price after the change. In the ones shown in Patent Document 1 and Patent Document 2, the price before the change and the price after the change cannot be easily compared.

The present invention has been made in view of the above problems, and is capable of flexibly responding to a change in the price of a product, and issuance of a label that can easily compare the price before the change with the price after the change An object is to provide a device and a program .

To achieve the above object, a label issuing device according to one embodiment of the present invention includes a storage unit for storing a predetermined formula to at least one bid and price of goods, stored in the storage unit A control unit that calculates at least one of a unit price and a price of a product based on a calculation formula; and a display unit that displays a calculation result calculated by the control unit , the display unit including a unit price of the product and a price at least one of the prices simultaneously displays a plurality of calculation results and the calculated by the equation in which the storage unit is stored, and wherein and this.

  Further, in the label issuing device according to an aspect of the present invention, the label issuing device includes an operation button for performing an operation on at least one of a unit price and a price of a product, the display unit displays the operation button, and the storage unit includes: The predetermined calculation formula is stored in association with the operation button, and the control unit stores a calculation result calculated based on the calculation formula stored in the storage unit in association with the operation button. And a control unit to be displayed.

  In the label issuing device according to one aspect of the present invention, the control unit may reflect a calculation result based on a calculation formula stored in the storage unit in a unit price or a price when the operation button is operated. You may make it display on the said display part.

In the label issuing device according to the aspect of the present invention, the label issuing device further includes a determination unit that determines whether or not the operation button has been operated, and the display unit includes the operated operation button and the operation button that has not been operated. May be displayed in different display modes .

In order to achieve the above object, a program according to an aspect of the present invention is stored in a computer of a label issuing device having a storage unit that stores a predetermined calculation formula for at least one of a unit price and a price of a product. Calculating at least one of the unit price and price of the product based on the calculated formula, at least one of the unit price and price of the product, and a plurality of calculation results calculated by the stored formula And a step of displaying simultaneously.

  According to the present invention, the unit price and the price are calculated according to a predetermined calculation formula for the unit price and the price currently changed, and the result is displayed. Unit price or price can be easily compared on the screen. Further, according to the present invention, the calculated price can be reflected as it is as an actual unit price or price, so that there is no need to input the calculation result again.

It is an example of the block diagram showing the structure of the label printer which concerns on embodiment. It is explanatory drawing of an example of a structure of the goods file memorize | stored in the memory | storage part which concerns on embodiment. It is explanatory drawing of an example of the calculation formula memorize | stored in the memory | storage part which concerns on embodiment. It is explanatory drawing of the pricing screen in a label printer at the time of the consumption tax 5% which concerns on embodiment. It is explanatory drawing of the pricing screen in a label printer at the time of the consumption tax 8% which concerns on embodiment. It is explanatory drawing of the change screen in the label printer which concerns on embodiment. It is a flowchart which shows the process in the pricing screen of the label printer which concerns on embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an example of a block diagram illustrating a configuration of a label printer 1 according to the present embodiment. As shown in FIG. 1, the label printer 1 according to the first embodiment of the present invention includes a control unit 100, a scale 2, a printing mechanism unit 3, and an operation unit 5.

The scale 2 includes a load cell 2a and measures the weight of the product.
The printing mechanism unit 3 performs label printing and discharges the printed label. The printing mechanism unit 3 includes, for example, a thermal head that performs dot printing, a shift register that accumulates data for one dot line and supplies the data to the thermal head, and a stepping motor that moves the label one dot line at a time. Print any letters, numbers, and images.

The operation unit 5 includes a key operation unit 7 and an operation display unit 9.
The key operation unit 7 includes a numeric keypad and a print key. The numeric keypad accepts numeric input. The print key accepts input of a print instruction.
The operation display unit 9 has a touch panel 9a laminated on the upper surface of the liquid crystal display 9b, and can display and input data on the same surface. The liquid crystal display 9b displays various data by dot display of 640 × 480 dots, for example. The touch panel 9a is a transparent panel and is provided on the upper surface of the liquid crystal display 9b. When the operator's finger touches the touch panel 9a, the touch panel 9a detects the touched position and receives an input corresponding to the detected position.

  The control unit 100 includes a CPU (control unit) 20, a load cell control unit 21, a print control unit 22, an operation control unit 24, a display control unit 25, a RAM (Random Access Memory) 30, a ROM (Read Only Memory) 40, and a storage. Part 50 is provided.

  The CPU 20 reads the control program stored in the ROM 40 and various information stored in the RAM 30 and the storage unit 50, and controls each unit based on the read control program and various information. Further, the CPU 20 stores necessary information in the RAM 30. The CPU 20 is connected to each unit included in the control unit 100 via a bus in a state where data can be input and output.

The load cell control unit 21 controls the load cell 2 a included in the scale 2. The print control unit 22 controls the print mechanism unit 3.
The operation control unit 24 controls the key operation unit 7 and the touch panel 9a.
The display control unit 25 controls the liquid crystal display 9b.
The RAM 30 is a temporary storage area that stores information used by the CPU 20.
The ROM 40 stores a control program.

  The storage unit 50 includes, for example, an HDD (Hard Disk Drive) or an SSD (Solid State Drive). The memory | storage part 50 memorize | stores the product file etc. which show the relationship between goods and a unit price. Here, the product file is information on the product and the product.

  FIG. 2 is an explanatory diagram illustrating an example of a configuration of a product file stored in the storage unit 50 according to the embodiment. As shown in FIG. 2, setting items such as a product number, a product name, a unit price, a manufacturing date, a shelf life, an advertisement text number, a comment number, and a format number are stored in the storage unit 50 in association with each other. For example, “001” as the product number, “beef loin” as the product name, “600” as the unit price, “02.6.5” as the production date, “02.6.7” as the expiration date, and “1” as the advertisement number ”,“ − ”As the comment number, and“ 1 ”as the format number are stored in association with each other. The configuration of the product file shown in FIG. 2 is an example, and the configuration of the product file is not limited to such a format.

  In addition, as shown in FIG. 3, the storage unit 50 has a calculation formula set in advance for calculating the price and unit price in association with the block type buttons 103a to 103f (see FIG. 4) (operation buttons). Remembered. FIG. 3 is an explanatory diagram illustrating an example of a calculation formula stored in the storage unit 50 according to the present embodiment. For example, the storage unit 50 stores the block type button 103a in association with “(price when consumption tax is 5%) ÷ 1.05 × 1.08” as a calculation formula. This calculation formula is used, for example, when calculating a discount for a time service or calculating a price when there is a change in consumption tax.

Next, display on the liquid crystal display 9b and operation by the touch panel 9a in the label printer 1 will be described.
FIG. 4 is an example of a pricing screen in the label printer 1 when the consumption tax is 5% according to the present embodiment. As described above, this pricing screen is displayed on the operation display unit 9 including the liquid crystal display 9b provided with the touch panel 9a.

  As shown in FIG. 4, the pricing screen includes a main display unit 101 and a button arrangement unit 102. The main display unit 101 displays a product name 101a, a weight 101b, a unit price 101c, a price 101d, and the like. The weight 101b reflects the weight measured by the load cell 2a of the scale 2. The product name 101a and the unit price reflect the value of the product file stored in the storage unit 50 (see FIG. 2).

  In the example shown in FIG. 4, the product name 101a is “chicken thigh”, the weight 101b is “1000 grams”, the unit price 101c per 100 g is “105 yen”, and the price 101d is “1050 yen”. Here, the unit price “105 yen” is a unit price when a consumption tax of 5% is added, and the unit price of the product main body is 100 yen.

  The button arrangement unit 102 displays a plurality of block-type buttons input by the user. In the example shown in FIG. 4, block type buttons 103 a to 103 f and a block type button 104 are displayed on the button arrangement unit 102.

  The block type buttons 103a to 103f are buttons for calculating a price and a unit price based on a calculation formula (see FIG. 3) stored in the storage unit 50 in advance. These block-type buttons 103a to 103f are used, for example, to calculate time service discounts or to calculate prices when there is a change in consumption tax.

  The block type button 103a is a button operated when calculating the price when the consumption tax is 8%. The block type button 103b is a button operated when calculating the price when the consumption tax is 10%. The block type button 103c is a button operated when calculating the price when the price is reduced by 10%. The block-type button 103d is a button operated when calculating the price when the price is reduced by 200 yen. The block type button 103e is a button operated when calculating a unit price when a unit price is reduced by 20%. The block type button 103f is a button that is operated when calculating a unit price when the unit price is reduced by 10%. In addition, the number and function of these block type buttons 103a-103f are examples, and the number and function of the block type buttons 103a-103f are not limited to this.

  In the block type buttons 103a to 103f, the function name of each block type button is displayed, and the price and unit price calculated by the stored calculation formula are displayed. For example, as shown in FIG. 3, a calculation formula for converting a price of 5% consumption tax into 8% consumption tax is preset in the block type button 103a. The calculation formula for converting the price of the consumption tax 5% into the consumption tax 8% is, for example, the following formula (1).

(Price when consumption tax is 5%) / 1.05 × 1.08 (1)

  In the example shown in FIG. 4, when the consumption tax is 5%, the main display unit 101 has “chicken thigh” as the product name 101a, “1000 g (grams)” as the weight 101b, and “105 yen” as the unit price 101c. , “1050 yen” is displayed as the price 101d. In this case, when the price when the consumption tax is 8% is obtained from the formula (1) from “1050 yen” which is the price 101d when the consumption tax is 5%, it is 1080 yen (= 1050 ÷ 1.05 × 1.08). ).

Accordingly, the block type button 103a displays a function name “consumption tax 8%” and “1080 yen”, which is a price 101d when the consumption tax is 8%. Similarly, for the other block type buttons 103b to 103f, the function of each block type button and the price when calculated by a preset calculation formula are displayed.
In the example illustrated in FIG. 4, the example in which the result calculated based on the calculation formula stored in the storage unit 50 is displayed on the block type buttons 103a to 103f has been described, but the present invention is not limited thereto. For example, the calculation result may be displayed at a predetermined position or the like on the operation display unit 9.

  When each of the block type buttons 103a to 103f is touched, the result calculated by the calculation formula preset in association with each of the block type buttons 103a to 103f is reflected in the unit price 101c and the price 101d of the main display unit 101. . For example, when the block type button 103a is touched, the price obtained by the above formula is reflected in the actual price, and the unit price 101c on the main display unit 101 is “108 yen” as shown in FIG. The price 101d is updated to “1080 yen”. FIG. 5 is an explanatory diagram of a pricing screen in the label printer when the consumption tax is 8% according to the present embodiment.

  The block button 104 in FIGS. 4 and 5 is a calculator button. When the block type button 104 is touched, a change screen as shown in FIG. 6 appears. FIG. 6 is an explanatory diagram of a change screen in the label printer according to the embodiment. As shown in FIG. 6, a calculator 110, various item buttons 120, and a preset button 130 are displayed on the change screen.

  As shown in FIG. 6, the calculator 110 includes a calculation result display unit 111, a 10 key button (calculation formula generation button) 112, a decimal point key button (calculation formula generation button) 113, and four arithmetic operation key buttons (calculation formula generation button) 114. , An equal key button (calculation formula generation button) 115, a percent calculation key button (calculation formula generation button) 116, a clear button (calculation formula generation button) 117, and a parenthesis key button (calculation formula generation button) 118. Note that the calculator 110 illustrated in FIG. 6 is an example, and may include a function key button, a memory key button, and the like. The operations of the keys 111 to 118 are the same as those of a general calculator.

Various item buttons (calculation formula generation buttons) 120 include buttons 121 to 128. When the user operates these buttons 121 to 128 to generate or change the calculation formula stored in the storage unit 50, the buttons are used to call and set each item used for the calculation.
The button 121 is a button that represents a unit price. The button 122 is a button representing a price. The button 123 is a button that represents a price with a measurement result. The button 124 is a button that represents a unit price. The button 125 is a button that represents a unit price with a measurement result. The button 126 is an input button. The button 127 is a button for setting the calculation formula input by the buttons 121 to 126 to the calculation formula stored in the storage unit 50. The button 128 is a button for canceling the operation on the screen shown in FIG.

The preset button 130 includes buttons 131 to 137. These buttons 131 to 137 are frequently used buttons.
The button 131 is a button for performing calculation for discounting a predetermined amount. The button 132 is a button for performing a calculation for discounting a predetermined ratio from the unit price or price. The button 133 is a button for changing the consumption tax in the calculation formula from 5% to 8%. The button 134 is a button for changing the consumption tax in the calculation formula from 8% to 10%. The button 135 is a button for performing processing for truncating a value input or calculated by the calculator 110. The button 136 is a button for performing processing for rounding up a value input or calculated by the calculator 110. The button 137 is a button for performing a process of rounding off a value input or calculated by the calculator 110.

Here, an example of operation on the screen shown in FIG. 6 will be described.
(Example 1) Setting a calculation formula for calculating a price with 8% consumption tax The user presses the button 122. Next, the user presses the “÷” button of the arithmetic operation key button 114 of the calculator 110, and then presses the 10 key button 112 and the decimal point key button 113 of the calculator 110 and presses “1.05”. Next, the user presses the “x” button of the four arithmetic operation key buttons 114 of the calculator 110, then presses the 10 key button 112 and the decimal point key button 113 of the calculator 110 and presses “1.08”. Next, the user presses the “Setting” button 127. With the above operation, the price calculation formula when the consumption tax is changed from 5% to 8% is set. The set calculation formula is stored in the storage unit 50 in association with the button as described above.

(Example 2) The calculation formula which calculates the price whose consumption tax is 10% is set. The user presses the button 122. Next, the user presses the “÷” button of the arithmetic operation key button 114 of the calculator 110, and then presses the 10 key button 112 and the decimal point key button 113 of the calculator 110 and presses “1.05”. Next, the user presses the “x” button of the arithmetic operation key button 114 of the calculator 110, and then presses the 10 key button 112 and the decimal point key button 113 of the calculator 110 and presses “1.10”. Next, the user presses the “Setting” button 127. With the above operation, the price calculation formula when the consumption tax is changed from 5% to 10% is set. The set calculation formula is stored in the storage unit 50 in association with the button as described above.

(Example 3) A calculation formula for calculating 10% discount from the price is set. The user presses the button 122. Next, the user presses the “×” button of the arithmetic operation key button 114 of the calculator 110, and then presses the “(” button of the parenthesis key button 118 of the calculator 110. Next, the user presses the 10 key button 112 and The decimal point key button 113 is pressed, "100" is pressed, the "-" button of the arithmetic operation key button 114 of the calculator 110 is pressed, and then the ")" button of the parenthesis key button 118 of the calculator 110 is pressed. Next, the user presses the percent calculation key button 116 of the calculator 110. Next, the user presses the “Setting” button 127. By the above operation, a calculation formula for calculating 10% discount from the price is set. The set calculation formula is stored in the storage unit 50 in association with the button as described above.

(Example 4) Set a calculation formula to calculate by subtracting 20% from the price. The user presses the button 122. Next, the user presses a button 132 that is 20% discount of the preset button 130. Next, the user presses the “Setting” button 127. By the above operation, a calculation formula for calculating 250 yen from the price is set. The set calculation formula is stored in the storage unit 50 in association with the button as described above.

(Example 5) A calculation formula for calculating a price by subtracting 250 yen from a price is set. Next, the user presses the “−” button of the arithmetic operation key button 114 of the calculator 110, and then presses the 10 key button 112 of the calculator 110 and presses “250”. Next, the user presses the “Setting” button 127. By the above operation, a calculation formula for calculating 250 yen from the price is set. The set calculation formula is stored in the storage unit 50 in association with the button as described above.

  For example, when the consumption tax is raised from 5% to 8%, the user presets the calculation formula when the consumption tax is 8% to the block-type button 103a by the operation as described above. deep. Then, on the pricing screen shown in FIG. 4, the user touches the block type button 103a. Thus, even if the consumption tax is raised from 5% to 8%, it can be dealt with immediately, and the price can be printed on the label at the changed price.

FIG. 7 is a flowchart showing processing on the pricing screen of the label printer according to the embodiment of the present invention.
(Step S1) The CPU 20 determines whether or not to display a pricing screen. When it is determined that the pricing screen is displayed (step S1; YES), the CPU 20 proceeds to step S2, and when it is determined that the pricing screen is not displayed (step S1; NO), the CPU 20 returns to step S1.

(Step S <b> 2) When it is determined that the pricing screen is displayed, the CPU 20 reads a product file from the storage unit 50. CPU20 advances a process to step S3 after completion | finish of step S2.
(Step S <b> 3) The CPU 20 measures the weight of the product using the load cell 2 a of the scale 2. CPU20 advances a process to step S4 after completion | finish of step S3.
(Step S4) The CPU 20 displays the weight measured in step S3 on the main display unit 101, and displays the unit price and price calculated based on the product file read in step S2 on the main display unit 101. CPU20 advances a process to step S5 after completion | finish of step S4.

(Step S <b> 5) The CPU 20 reads the calculation formula associated with each of the block type buttons 103 a to 103 f from the storage unit 50. CPU20 advances a process to step S6 after completion | finish of step S5.
(Step S6) The CPU 20 calculates a unit price and a price using the read calculation formula, the product file acquired in step S2, and information indicating the weight measured in step S3. CPU20 advances a process to step S7 after completion | finish of step S6.
(Step S7) The CPU 20 displays the unit price and the price when the calculation is performed with the function of each block type button 103a to 103f and the calculation formula stored in association with 103a to 103f on each block type button 103a to 103f. Displayed on the unit 101. CPU20 advances a process to step S8 after completion | finish of step S7.

(Step S8) The CPU 20 determines whether any of the block-type buttons 103a to 103f is touched. When the CPU 20 determines that any of the block-type buttons 103a to 103f is touched (step S8; YES), the CPU 20 proceeds to step S9 and determines that any of the block-type buttons 103a to 103f is not touched ( Step S8; NO), return to Step S7.
(Step S9) When it is determined that any of the lock buttons 103a to 103f has been touched, the CPU 20 determines which of the block buttons 103a to 103f has been touched. After completing step S9, the CPU 20 advances the process to step S10.
(Step S10) The CPU 20 changes the unit price and price displayed on the main display unit 101 to the unit price and price calculated by the calculation formula corresponding to the touched block type button, and displays the changed unit price and price as the main display. This is reflected in part 101.

As described above, the label issuing device (label printer 1) according to the present embodiment includes the storage unit 50 that stores a predetermined calculation formula for the unit price and price of the product name, and the calculation stored in the storage unit. A control unit (control unit 100, CPU 20) that calculates at least one of the unit price and price of the product based on the formula, and a display unit (operation display unit 9) that displays the calculation result calculated by the control unit. .
Thereby, the label printer 1 according to the present embodiment can calculate the changed price or discount and print it on the label when changing the consumption tax or discounting the price or unit price. Further, in the label printer 1 according to the present embodiment, the function of each block type button is displayed on the block type buttons 103a to 103f, and the price and unit price calculated by the stored calculation formula are displayed. . Thereby, according to the label printer 1 which concerns on this embodiment, the user can grasp | ascertain by comparing the present price and the price after a change.

  When the block type buttons 103a to 103f are touched to reflect the unit price and price calculated by the block type buttons 103a to 103f, the following processing may be performed to prevent double calculation. Good. For example, when the block type buttons 103a to 103f are touched, the control unit 100 changes the character color of the touched block type buttons 103a to 103f, darkens the display, or disables the touch. May be.

  Further, when the discount process is performed by operating the block type buttons 103c to 103f, the control unit 100 displays the state of the block type buttons 103c to 103f according to the discount state so that the state of the discount can be seen at a glance. May be changed. For example, the control unit 100 displays red when 10% discount is selected, and displays blue when 20% discount is selected. When 10% discount is selected, the price is also displayed in red after discount, or the original price and the 10% discount price of red are written together. You may display the price after the discount.

  In the above example, the block type button 105 is operated to preset the calculation formula for each of the block type buttons 103a to 103f. For example, if the block type button 103a to 103f is pressed and held, the calculation formula can be preset. You may do it.

  In addition, a function, a calculation formula, a numerical value, or the like corresponding to each of the block buttons 103a to 103f may be prepared for each product. For example, if the product is pork, a block type button with a 10% discount may be displayed, and if the product is beef, a block type button with a 5% discount may be displayed.

  Further, when the called product data satisfies a predetermined condition, each block type button having a predetermined preset calculation function may be displayed. For example, a block type button with 50 yen discount may be displayed when the price of the called product is 100 yen to 299 yen, and a block type button with 100 yen discount may be displayed when the price is 300 yen to 500 yen.

It should be noted that a program for realizing all or part of the functions of the label printer 1 is recorded on a computer-readable recording medium, and the program recorded on the recording medium is read into a computer system and executed to execute each unit. You may perform the process of. Here, the “computer system” includes an OS and hardware such as peripheral devices.
Further, the “computer system” includes a homepage providing environment (or display environment) if a WWW system is used.
The “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system. Furthermore, the “computer-readable recording medium” dynamically holds a program for a short time like a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line. In this case, a volatile memory in a computer system serving as a server or a client in that case, and a program that holds a program for a certain period of time are also included. The program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.

  The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and includes design changes and the like without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 1 ... Label printer, 2 ... Scale, 3 ... Printing mechanism part, 5 ... Operation part, 7 ... Key operation part, 9 ... Operation display part (display part), 20 ... CPU (control part), 21 ... Load cell control part, DESCRIPTION OF SYMBOLS 22 ... Print control part, 24 ... Operation control part, 25 ... Display control part, 50 ... Memory | storage part (memory | storage part), 100 ... Control part, 101 ... Main display part, 102 ... Button arrangement | positioning part, 103a-103f ... Block type Button (operation button), 110 ... calculator, 117 to 118 ... calculator key button (calculation formula generation button), 120 ... item change button (calculation formula generation button), 130 ... preset button

Claims (5)

A storage unit for storing a predetermined formula to at least one of the commodity unit price and price,
A control unit for calculating at least one of a unit price and a price of a product based on a calculation formula stored in the storage unit;
A display unit for displaying a calculation result calculated by the control unit ,
The display unit simultaneously displays at least one of the unit price and price of the product and a plurality of calculation results calculated by the calculation formula stored in the storage unit;
Label issuing device which is characterized a call. An operation button for operating at least one of the unit price and price of the product,
The display unit displays the operation buttons,
The storage unit stores the predetermined calculation formula in association with the operation button,
The control unit is configured to display a calculation result calculated based on a calculation formula stored in the storage unit on the display unit in association with the operation button;
The label issuing device according to claim 1, further comprising: The controller is
The label issuance according to claim 2, wherein when the operation button is operated, a calculation result based on a calculation formula stored in the storage unit is displayed on the display unit so as to be reflected in a unit price or a price. apparatus. A determination unit for determining whether or not the operation button has been operated;
  The label issuing device according to claim 2, wherein the display unit displays the operated operation buttons and the non-operated operation buttons in different display modes. In the computer of the label issuing device having a storage unit that stores a predetermined calculation formula for at least one of the unit price and the price of the product,
  Calculating at least one of the unit price and price of the product based on the stored calculation formula;
  Simultaneously displaying at least one of the unit price and price of the product and a plurality of calculation results calculated by the stored calculation formula;
  A program for running

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