阅读说明：本技术 计算器计算的方法、系统、设备及存储介质 (Method, system, device and storage medium for calculator calculation ) 是由 黄立军 于 2020-05-29 设计创作，主要内容包括：本发明涉及计算机技术领域,尤其涉及一种计算器计算的方法、系统、设备及存储介质,所述方法包括：采集包含数字内容的图片；识别所述图片,获取所述图片中的多个数字；选择需要进行运算的数字以及编辑运算符号后执行对应的运算。借此,本发明实现了便捷的在计算器中输入数字进行运算。(The invention relates to the technical field of computers, in particular to a method, a system, equipment and a storage medium for calculator calculation, wherein the method comprises the following steps: acquiring a picture containing digital content; identifying the picture, and acquiring a plurality of numbers in the picture; and selecting the number to be operated and editing the operation symbol and then executing the corresponding operation. Therefore, the invention realizes the convenient and fast operation of inputting numbers in the calculator.)

1. A method of calculator computation, the method comprising:

acquiring a picture containing digital content;

identifying the picture, and acquiring a plurality of numbers in the picture;

and selecting the number to be operated and editing the operation symbol and then executing the corresponding operation.

2. The method of claim 1, wherein prior to said capturing the picture containing the digital content, comprising:

adding a picture acquisition starting button on an operation interface of the calculator;

the obtaining of the plurality of digits in the picture comprises:

and displaying the plurality of numbers on an operation interface of the calculator according to a preset mode.

3. The method of claim 2, wherein capturing the picture containing the digital content comprises:

starting the picture acquisition starting button, and taking a picture containing the digital content; or

And starting the picture acquisition starting button, and scanning the picture containing the digital content.

4. The method of claim 2, wherein the identifying the picture, and wherein obtaining the plurality of digits in the picture comprises:

identifying all characters in the picture;

and graying out other characters except the numbers in the characters.

5. The method of claim 2, wherein displaying the plurality of numbers on the calculation interface of the calculator according to a preset mode comprises:

displaying the numbers on an operation interface of the calculator according to a preset first color;

and adding a preset first operation symbol between every two digits.

6. The method of claim 5, wherein the selecting the number to be operated and editing the operation symbol to execute the corresponding operation comprises:

selecting needed numbers, and displaying the needed numbers on an operation interface of the calculator according to a preset second color; or

Selecting unneeded numbers, and displaying the unneeded number grey on an operation interface of the calculator;

repeatedly clicking a first operation symbol between every two numbers, wherein the first operation symbols are sequentially switched according to preset operation symbols;

and after confirming that the operation interface of the calculator displays the needed number and the operation symbol, executing corresponding operation.

7. A system of calculator calculations, the system comprising:

the acquisition module is used for acquiring pictures containing digital contents;

the identification module is used for identifying the picture and acquiring a plurality of numbers in the picture;

and the selection and operation module is used for selecting the number to be operated and editing the operation symbol and then executing the corresponding operation.

8. A terminal, characterized in that it comprises a system according to claim 7.

9. A storage medium storing a computer program for performing the method of any one of claims 1 to 6.

10. A computer device comprising a storage medium, a processor and a computer program stored on the storage medium and executable on the processor, characterized in that the processor implements the method of one of claims 1 to 6 when executing the computer program.

Technical Field

The present invention relates to the field of computer technologies, and in particular, to a method, a system, a device, and a storage medium for computing by a computer.

Background

The calculator is an electronic machine which is invented by modern people and can carry out digital calculation. The modern hand-held electronic machine capable of performing mathematical operations of electronic calculators has an integrated circuit chip, but the structure is much simpler than that of a computer, so that the modern hand-held electronic calculator is a first-generation electronic computer (computer), has weaker functions, is more convenient and cheap, can be widely applied to commercial transactions, and is one of necessary office supplies.

The calculator is arranged in the existing mobile terminal, and can perform some common operations. Such as expense calculations for the home, etc. However, when the calculator is used, the user inputs the digital content and inputs the operation symbol manually. However, when the user accounts for many times and records some numbers on the notebook, the manual input efficiency of the calculation is too low at this time, the input steps are too many, and the input error is easy, so that the inconvenience of the calculation operation, the error and the like is brought to the user.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

Disclosure of Invention

In view of the above-mentioned drawbacks, the present invention provides a method, a system, a device and a storage medium for calculator calculation, so as to conveniently input numbers into a calculator for calculation.

To achieve one object of the present invention, the present invention provides a method of calculator calculation, the method comprising:

acquiring a picture containing digital content;

identifying the picture, and acquiring a plurality of numbers in the picture;

and selecting the number to be operated and editing the operation symbol and then executing the corresponding operation.

According to the method, before the capturing of the picture containing the digital content, the method comprises:

adding a picture acquisition starting button on an operation interface of the calculator;

the obtaining of the plurality of digits in the picture comprises:

and displaying the plurality of numbers on an operation interface of the calculator according to a preset mode.

According to the method, the acquiring the picture containing the digital content comprises the following steps:

starting the picture acquisition starting button, and taking a picture containing the digital content; or

Starting the picture acquisition starting button, and scanning a picture containing the digital content;

according to the method, the identifying the picture, and acquiring a plurality of numbers in the picture comprises:

identifying all characters in the picture;

and graying out other characters except the numbers in the characters.

According to the method, the displaying the numbers on the calculation interface of the calculator according to the preset mode comprises the following steps:

displaying the numbers on an operation interface of the calculator according to a preset first color;

and adding a preset first operation symbol between every two digits.

According to the method, the selecting the number to be operated and editing the operation symbol and then executing the corresponding operation comprises the following steps:

selecting needed numbers, and displaying the needed numbers on an operation interface of the calculator according to a preset second color; or

Selecting unneeded numbers, and displaying the unneeded number grey on an operation interface of the calculator;

repeatedly clicking a first operation symbol between every two numbers, wherein the first operation symbols are sequentially switched according to preset operation symbols;

and after confirming that the operation interface of the calculator displays the needed number and the operation symbol, executing corresponding operation.

To achieve another object of the present invention, the present invention provides a system of calculator calculation, the system comprising:

the acquisition module is used for acquiring pictures containing digital contents;

the identification module is used for identifying the picture and acquiring a plurality of numbers in the picture;

and the selection and operation module is used for selecting the number to be operated and editing the operation symbol and then executing the corresponding operation.

In order to achieve still another object of the present invention, the present invention also provides a terminal including the above system.

To achieve still another object of the present invention, the present invention also provides a storage medium storing a computer program for executing any one of the methods described above.

To achieve still another object of the present invention, the present invention further provides a computer device including a storage medium, a processor, and a computer program stored on the storage medium and executable on the processor, the processor implementing any one of the above methods when executing the computer program.

The invention collects the picture containing digital content; then identifying the picture and acquiring a plurality of numbers in the picture; and finally, the corresponding operation is executed after the number required to be operated is selected by a user and the operation symbol is edited, so that the number and the operation are conveniently input on the operation interface of the calculator, and the user experience is improved.

Drawings

FIG. 1 is a flow chart of a method for computing by a calculator provided by an embodiment of the invention;

FIG. 2 is a flow chart of a method for computing by a calculator provided by an embodiment of the invention;

FIG. 3 is a block diagram of a system for computing by a computer provided by an embodiment of the present invention;

FIG. 4 is a block diagram of a system for computing by a computer provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a storage medium according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a computer device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that references in the specification to "one embodiment," "an example embodiment," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not intended to refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Moreover, where certain terms are used throughout the description and following claims to refer to particular components or features, those skilled in the art will understand that manufacturers may refer to a component or feature by different names or terms. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "connected" as used herein includes any direct and indirect electrical connection. Indirect electrical connection means include connection by other means.

Referring to fig. 1 and 3, in one embodiment of the invention, there is provided a method of calculator calculation, the method comprising:

in step S101, a picture including digital content is acquired; these numbers are usually recorded in a notebook or other place, such as a notebook of the mobile phone of other friends, etc., and pictures containing these digital contents are collected without manually inputting a plurality of numbers. Especially for long-term travel or for home accounting for half a year or the like.

In step S102, identifying the picture and acquiring a plurality of numbers in the picture; after the pictures containing the digital content are collected, a plurality of numbers in the pictures are obtained by identifying the pictures; specifically, the number can be acquired by some picture recognition technology. Of course, it is possible to include some other contents, such as other chinese characters, drawings, etc., at the time of picture collection, but it is mainly to obtain numbers in this step.

In step S103, a number to be operated and an operation symbol are edited and then a corresponding operation is executed. After acquiring the numbers, the user can select the needed numbers and edit the corresponding operation symbols to perform operation. Thus, the user can conveniently and rapidly carry out digital operation without sequentially inputting a plurality of numbers into the calculator.

In one embodiment of the invention, before said capturing the picture containing the digital content comprises:

adding a picture acquisition starting button 40 on an operation interface of the calculator; the picture collection start button 40 is used to start a functional device for collecting a picture containing digital content, and for a calculator arranged in the intelligent terminal, the functional device is a camera of the intelligent terminal, especially a rear camera, and the operation is convenient.

The obtaining of the plurality of digits in the picture comprises:

and displaying the plurality of numbers on an operation interface of the calculator according to a preset mode. After a plurality of numbers are acquired, the numbers are displayed on an operation interface of the calculator. Thereby enabling the input of a plurality of numbers to the calculator without requiring manual input by the user.

In one embodiment of the present invention, the capturing the picture including the digital content includes:

starting the picture acquisition starting button 40 to take a picture containing the digital content; or

The picture capture start button 40 is actuated to scan a picture containing the digital content. I.e. pictures containing the digital content can be obtained by means of photographing or scanning.

The identifying the picture and the obtaining the plurality of numbers in the picture comprise:

identifying all characters in the picture; after a picture containing the digital content is taken or scanned, all the text in the picture is identified.

And graying out other characters except the numbers in the characters. And after other characters except the numbers are grayed out, the characters are not displayed, and only a plurality of numbers in the picture are acquired.

The operation interface for displaying the plurality of numbers on the calculator according to the preset mode comprises the following steps:

displaying the numbers on an operation interface of the calculator according to a preset first color;

and adding a preset first operation symbol between every two digits. After the grey-displayed numbers are removed, the grey-displayed numbers can be displayed on an operation interface of the calculator according to a preset first color for the convenience of user identification; in addition, a preset first operation symbol is added between every two digits, and the addition is usually performed by a user more frequently, so the preset first operation symbol is preferably a plus sign.

In an embodiment of the present invention, the selecting a number to be operated and editing an operation symbol and then performing a corresponding operation includes:

selecting needed numbers, and displaying the needed numbers on an operation interface of the calculator according to a preset second color; preferably, the first color is red and the second color is black; the first operation symbol is a plus sign; or

Selecting unneeded numbers, and displaying the unneeded number grey on an operation interface of the calculator; after the numbers are displayed on the calculation interface of the calculator according to the preset mode, some numbers may not be needed by the user, so that the needed numbers can be selected in the above two modes, or the unnecessary numbers are removed so as to perform corresponding calculation.

Repeatedly clicking a first operation symbol between every two numbers, wherein the first operation symbols are sequentially switched according to preset operation symbols; and the first operation symbol between every two numbers is defaulted to be a plus sign, and the user can also switch and select according to the own needs. Of course, after the numbers are displayed on the operation interface of the calculator according to the preset mode, the corresponding numbers can be input or deleted through the operation keys of the calculator, and the operation symbols can be modified. Specifically, the preset operation symbol includes: plus, minus, multiply, and divide, etc.

And after confirming that the operation interface of the calculator displays the needed number and the operation symbol, executing corresponding operation. After confirming that the required numbers and operation symbols are displayed on the operation interface of the calculator, the user can press a corresponding operation button, such as an equal number on the calculator, to perform corresponding operation. And finally displaying the final operation result on an operation interface of the calculator. The calculator is an arithmetic unit of the intelligent terminal; the intelligent terminal comprises a mobile terminal, a computer and the like.

Referring to FIG. 2, in one embodiment of the present invention, a method of calculator computation is provided, comprising

In step S201, a camera is turned on in a calculator to take a picture; for example, the calculator of the mobile terminal starts the camera to take a picture of the object including the digital content through a pre-prepared button, and the picture can be a handwritten notebook, or a notebook of the mobile terminal, or a printed manuscript.

In step S202, image recognition is carried out after photographing; after the photo is taken, the photo is identified, and the text content in all the photos is identified, wherein the text content may comprise other non-numeric characters.

In step S203, all digital contents are displayed after being identified; other characters except numbers are not displayed, and only numbers are displayed in an input box or a calculation box of the calculator.

In step S204, modifying the displayed digital content; the user modifies the numbers as needed, selects the needed numbers or deletes the unwanted numbers, and the default between the two numbers is plus sign, which meets the needs of most user calculations.

In step S205, the calculation result is added to all the numbers, and all the confirmed numbers are added to obtain the calculation result. Therefore, the problem that when a user keeps accounts and records some numbers on a notebook many times, the calculation efficiency is low through manual input is solved, the input steps are greatly reduced, and errors are not easy to input, so that the problems of complexity, errors and the like of the user in calculation operation are solved, and the calculation application efficiency and experience of the user are improved.

To achieve another object of the present invention, referring to fig. 3, in one embodiment of the present invention, there is provided a system 100 of computer computing, the system 100 comprising:

the acquisition module 10 is used for acquiring pictures containing digital contents; when a user has recorded digital content in a notebook or other places, acquiring pictures containing the digital content through the acquisition module 10; therefore, when the user does not need to calculate the digital content, the user manually inputs the digital calculation; the operation time is reduced, and the user operation efficiency is improved.

The identification module 20 is used for identifying the picture and acquiring a plurality of numbers in the picture; the Recognition module 20 may use an OCR (Optical Character Recognition) technology, recognize print characters or handwritten font characters, optically convert characters in a paper document into an image file with a black-and-white dot matrix, and convert characters in the image into a text format through Recognition software for further editing and processing by word processing software. It should be noted that, after the recognition module 20 identifies the characters in the picture, the recognition module does not display the other non-numeric redundant characters, such as the english sentence, and other irrelevant contents.

And a selection and operation module 30, configured to select a number to be operated and edit an operation symbol, and then execute a corresponding operation. The module selects the number to be operated and edits the operation symbol to execute the corresponding operation, thereby improving the operation efficiency of the user.

Referring to fig. 4, in one embodiment of the present invention, the system 100 further comprises:

a picture acquisition start button 40 for starting the acquisition module 10; a picture acquisition starting button 40 which is an input button for photographing or scanning is added on an operation interface of the calculator, the acquisition module 10 is opened after clicking, and the acquisition module 10 can be a rear camera and photographs the numbers to be calculated.

And the display module 50 is used for displaying the plurality of numbers on the operation interface of the calculator according to a preset mode. And after photographing or scanning recognition, displaying all recognized digital character contents on an operation interface of the calculator according to a preset mode.

In one embodiment of the present invention, the acquisition module 10 comprises:

the first acquisition submodule 11 is configured to photograph an image including the digital content after the image acquisition start button 40 is started; the first acquisition submodule 11 can be a front-facing camera of an intelligent terminal; or

And the second acquisition sub-module 12 is configured to scan a picture containing the digital content after the picture acquisition start button 40 is started. The second acquisition submodule 12 may be a front camera of an intelligent terminal;

the identification module 20 includes:

the first identification submodule 21 is configured to identify all characters in the picture;

and a graying out sub-module 22 for graying out the other characters except the numbers in the characters. After the picture is identified, all identified digital contents are displayed on a computing interface of a calculator, characters in the character contents are grayed out, and only the digital contents in the characters are displayed. If there is useless digital content, the user can also gray out the number by clicking, and all grayed out content is not calculated.

The display module 50 includes:

the display sub-module 51 is configured to display the plurality of numbers on an operation interface of the calculator according to a preset first color; the first color is red, and can be other colors;

and an adding submodule 52 for adding a preset first operation sign between every two of the numbers. The first operation symbol is a plus sign;

in one embodiment of the present invention, the selection and operation module 30 includes:

the first selection submodule 31 is configured to select a required number, and the required number is displayed on an operation interface of the calculator according to a preset second color; wherein the second color is black; the difference is shown, so that the user can know what number is selected by the user, and certainly, all numbers can be defaulted to participate in calculation; or

A second selection submodule 32 for selecting unneeded numbers, said unneeded numbers being displayed in gray on the calculation interface of said calculator; numbers that do not need to participate in the operation can be selected by the module.

The clicking submodule 33 is configured to repeatedly click a first operation symbol between every two numbers, and the first operation symbols are sequentially switched according to a preset operation symbol; the default first operand is a plus sign, and the preset operand includes: plus, minus, multiply, and divide. In a first embodiment of the invention, all numbers are displayed in red by default and each number is preceded by a plus sign, and clicking on any one of the numbers turns the number black and clicking on the plus sign turns it to a minus sign.

And the operation submodule 34 is used for executing corresponding operation after confirming that the operation interface of the calculator displays required numbers and operation symbols. If the user considers that the number and the operation symbol displayed on the operation interface of the calculator are needed, the operation can be directly performed, if not, the corresponding number is selected or removed through the first selection sub-module 31 and the second selection sub-module 32, and the click sub-module 33 is switched to the proper operation symbol. Specifically, after the number is confirmed to be correct, clicking is carried out to confirm, all the digital contents are calculated according to the arithmetic symbols in front of each number and displayed in an input box of the calculator, and the calculation result is displayed. If some number or operation symbol has a problem, click modification can be carried out in a display frame of the calculator. Therefore, the recorded digital content can be rapidly input and calculated conveniently and rapidly. And the calculator is an arithmetic unit of the intelligent terminal. And the intelligent terminal comprises a mobile terminal, a tablet computer, a portable computer and the like. Or even some intelligent devices dedicated to computing.

In addition, in order to achieve another object of the present invention, the present invention also provides a terminal including the system 100 described in any one of the above.

To achieve another object of the present invention, the present invention also provides a computer program storing a program for executing any one of the methods described above.

In order to achieve another object of the present invention, the present invention further provides a computer device 400, which includes a storage medium 200, a processor 300, and a computer program stored on the storage medium and executable on the processor 300, wherein the processor 300 implements any one of the methods described above when executing the computer program.

Referring to fig. 5 and 6, in an embodiment of the present invention, there is also provided a storage medium 200 for storing a computer program for executing any one of the methods in the above embodiments. And a computer device 400 comprising a storage medium 200, a processor 300 and a computer program stored on said storage medium 200 and executable on said processor 300, said processor 300 implementing said method in any of the above embodiments when executing said computer program.

The invention provides a storage medium 200 for storing a computer program according to any of the methods described in fig. 1. Such as computer program instructions, which when executed by a computer, may invoke or otherwise provide methods and/or techniques in accordance with the present application through the operation of the computer. Program instructions which invoke the methods of the present application may be stored on fixed or removable storage media and/or transmitted via a data stream over a broadcast or other signal-bearing medium and/or stored on a storage medium of a computer device operating in accordance with the program instructions. Here, an embodiment according to the present application includes a computer device 400 as shown in fig. 5, the computer device 400 preferably includes a storage medium 200 for storing a computer program and a processor 300 for executing the computer program, wherein when the computer program is executed by the processor 300, the computer device 400 is triggered to execute the method and/or the technical solution according to the foregoing embodiments.

It should be noted that the present application may be implemented in software and/or a combination of software and hardware, for example, implemented using Application Specific Integrated Circuits (ASICs), general purpose computers or any other similar hardware devices. In one embodiment, the software programs of the present application may be executed by a processor to implement the above steps or functions. Likewise, the software programs (including associated data structures) of the present application may be stored in a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. Additionally, some of the steps or functions of the present application may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.

The method according to the invention can be implemented on a computer as a computer-implemented method, or in dedicated hardware, or in a combination of both. Executable code for the method according to the invention or parts thereof may be stored on a computer program product. Examples of computer program products include memory devices, optical storage devices, integrated circuits, servers, online software, and so forth. Preferably, the computer program product comprises non-transitory program code means stored on a computer readable medium for performing the method according to the invention when said program product is executed on a computer.

In a preferred embodiment, the computer program comprises computer program code means adapted to perform all the steps of the method according to the invention when the computer program is run on a computer. Preferably, the computer program is embodied on a computer readable medium.

In summary, the present invention collects the pictures containing the digital content; then identifying the picture and acquiring a plurality of numbers in the picture; and finally, the corresponding operation is executed after the number required to be operated is selected by a user and the operation symbol is edited, so that the number and the operation are conveniently input on the operation interface of the calculator, and the user experience is improved.

The invention discloses A1 and a calculator calculation method, which comprises the following steps:

acquiring a picture containing digital content;

identifying the picture, and acquiring a plurality of numbers in the picture;

and selecting the number to be operated and editing the operation symbol and then executing the corresponding operation.

A2, the method of A1, prior to said capturing a picture containing digital content comprising:

adding a picture acquisition starting button on an operation interface of the calculator;

the obtaining of the plurality of digits in the picture comprises:

and displaying the plurality of numbers on an operation interface of the calculator according to a preset mode.

A3, the method of A2, the capturing a picture including digital content comprising:

starting the picture acquisition starting button, and taking a picture containing the digital content; or

Starting the picture acquisition starting button, and scanning a picture containing the digital content;

a4, the method of A2, the identifying the picture, the obtaining a plurality of digits in the picture comprising:

identifying all characters in the picture;

and graying out other characters except the numbers in the characters.

A5, according to the method in A2, the displaying the numbers on the calculation interface of the calculator according to the preset mode comprises:

displaying the numbers on an operation interface of the calculator according to a preset first color;

and adding a preset first operation symbol between every two digits.

A6, according to the method in A5, the selecting the number to be operated and the editing the operation sign to execute the corresponding operation comprises:

selecting needed numbers, and displaying the needed numbers on an operation interface of the calculator according to a preset second color; or

Selecting unneeded numbers, and displaying the unneeded number grey on an operation interface of the calculator;

repeatedly clicking a first operation symbol between every two numbers, wherein the first operation symbols are sequentially switched according to preset operation symbols;

and after confirming that the operation interface of the calculator displays the needed number and the operation symbol, executing corresponding operation.

A7, according to the method A6, the calculator is an arithmetic unit of an intelligent terminal; the first color is red and the second color is black; the first operation symbol is a plus sign; the preset operation symbol comprises: plus, minus, multiply, and divide.

The invention also discloses B8, a system for calculator calculation, the system includes:

the acquisition module is used for acquiring pictures containing digital contents;

the identification module is used for identifying the picture and acquiring a plurality of numbers in the picture;

and the selection and operation module is used for selecting the number to be operated and editing the operation symbol and then executing the corresponding operation.

B9, the system according to B8, the system further comprising:

the picture acquisition starting button is used for starting the acquisition module;

and the display module is used for displaying the plurality of numbers on the operation interface of the calculator according to a preset mode.

B10, the system according to B9, the acquisition module comprising:

the first acquisition sub-module is used for photographing a picture containing the digital content after the picture acquisition starting button is started; or

And the second acquisition sub-module is used for scanning the picture containing the digital content after the picture acquisition starting button is started.

B11, the system according to B9, the identification module comprising:

the first identification submodule is used for identifying all characters in the picture;

and the grey display module is used for grey displaying other characters except the numbers in the characters.

B12, the system according to B9, the display module comprising:

the display submodule is used for displaying the plurality of numbers on an operation interface of the calculator according to a preset first color;

and the adding submodule is used for adding a preset first operation symbol between every two digits.

B13, the system according to B12, the selection and operation module comprising:

the first selection submodule is used for selecting required numbers, and the required numbers are displayed on an operation interface of the calculator according to a preset second color; or

The second selection submodule is used for selecting unneeded numbers, and the unneeded number gray is displayed on an operation interface of the calculator;

the clicking submodule is used for repeatedly clicking a first operation symbol between every two digits, and the first operation symbols are sequentially switched according to preset operation symbols;

and the operation sub-module is used for executing corresponding operation after confirming that the operation interface of the calculator displays the required number and the operation symbol.

B14, according to the system of B13, the calculator is an arithmetic unit of an intelligent terminal; the first color is red and the second color is black; the first operation symbol is a plus sign; the preset operation symbol comprises: plus, minus, multiply, and divide.

The invention also discloses a C15 and a terminal, which comprises the system of any one of B8-B14.

The invention also discloses D16 and a storage medium for storing a computer program for executing any one of the methods A1-A7.

The invention also discloses 17 a computer device comprising a storage medium, a processor and a computer program stored on the storage medium and executable on the processor, characterized in that the processor implements the method of one of claims a 1-a 7 when executing the computer program.