CN102053956B - System and method for indicating preferentially edited region of symbol - Google Patents
System and method for indicating preferentially edited region of symbol Download PDFInfo
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- CN102053956B CN102053956B CN 200910236986 CN200910236986A CN102053956B CN 102053956 B CN102053956 B CN 102053956B CN 200910236986 CN200910236986 CN 200910236986 CN 200910236986 A CN200910236986 A CN 200910236986A CN 102053956 B CN102053956 B CN 102053956B
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Abstract
The invention provides a system for indicating a preferentially edited region of a symbol, which comprises an indicating module, an associating module and a display module, wherein the indicating module is used for receiving indicated input and indicating an editable region of the symbol; the associating module is used for establishing an associating relation between the symbol and the indicated editable region and obtaining the editable region; and the display module is used for displaying the preferentially edited region. The invention also provides a method for indicating the preferentially edited region of the symbol, which comprises the steps of: receiving the indicated input and indicating the editable region of the symbol; establishing the associating relation between the symbol and the indicated editable region; and receiving the symbol input and obtaining the editable region associated with the symbol according to the associating relation, and displaying the preferentially edited region. In the system and the method provided by the invention, the preferentially edited region is indicated for the symbol with a plurality of editable regions before an expression is input and the composing is carried out, the preferentially edited region of the symbol accords with the input habit of a user, thus the input and composing efficiency can be improved.
Description
Technical field
The present invention relates to electronic composition and word processing field, relate in particular to a kind of system and method for preferential editing area of designated symbols.
Background technology
In scientific and technological electron-like composing and word processing system, expression formula is set type and occupy larger ratio and consequence in typesetting content, for traditional scientific and technological electron-like software for composing and Word, fast and effeciently input expression formula and correctly show in the space of a whole page is the important embodiment of Software Value always.Expression formula comprises arithmetic expression, logical expression, string expression, physical expressions, chemical molecular formula, chemical equation etc., and formula also is a kind of expression formula.The composite symbol of expression formula is-symbol and operational symbol refers to the symbol outside the division operation symbol in the expression formula.Among the present invention, the operational symbol and the symbol that form expression formula are referred to as symbol.
But a lot of symbols that form expression formula have editing area, but need the user in the further incoming symbol of these editing areas.But editing area refers to that a symbol that forms expression formula is input to the zone that can edit that attaches after the space of a whole page of electronic composition software or Word here, fractional symbol for example, as shown in Figure 1, but fractional symbol has two editing areas 11 and 12, represents respectively molecule and denominator.For different types of symbol, but the quantity of editing area is different, and such as the radical symbol, but editing area is 1 or 2, but wherein the secondary radical has 1 editing area, but and n radical has 2 editing areas; But the editing area quantity of integral sign is 1,2 or 3.
But for the symbol with a plurality of editing areas, but the editing area of the preferential input of user habit varies with each individual.For example: input a mark expression formula, but for the denominator in the fractional symbol and these two editing areas of molecule, different user there is different input habits, with
Be example, the user who has thinks that the input of denominator and fraction should meet the custom that the ordinary people reads, and namely inputs first denominator, input again molecule, other user thinks that then the input of fraction should follow the order that this eyes are from top to bottom watched, and namely inputs first molecule, inputs denominator again.But the electronic composition software of prior art and Word have been ignored this difference that varies with each individual, the input method of these softwares is: during the input expression formula, but the symbol that comprises in expression formula has a plurality of editing areas, the preferential editing area of the symbol of software default is fixed, and can't change by arranging.When the preferential editing area of acquiescence does not meet user's input habit, the user must be switched preferential editing area to meet input habit by mouse or keyboard each time, but thereby so that become very inconvenient user editor to the symbol editing area when expression formula is inputted and set type, the efficient that has affected input and set type.
Summary of the invention
In view of this, thereby the present invention is directed to the user that exists in the prior art flexibly preferential editing area impact input of designated symbols and the deficiency of composing efficient, proposed a kind of system and method for preferential editing area of designated symbols.
In first aspect present invention, a kind of system of preferential editing area of designated symbols has been proposed, comprising:
Designated module be used for to receive is specified input, but and according to an editing area of described input designated symbols;
Relating module is connected with described designated module, but for the incidence relation between the editing area of setting up described symbol and described appointment, also is used for according to described incidence relation, but obtaining the editing area related with described symbol after the receiving symbol input;
Display module is connected with described relating module, but is used for showing that described editing area is the preferential editing area of described symbol.
The system of the preferential editing area of described designated symbols further comprises:
Coding module, be connected with described designated module, relating module and display module, be used for but the editing area of described appointment is encoded, but but obtain corresponding relation between the coding of editing area of the editing area of described appointment and appointment, but also be used for receiving the coding of the editing area of described relating module output, according to described corresponding relation, but obtain editing area corresponding to described coding;
But but described relating module is be used to the incidence relation between the coding of the editing area of setting up described symbol and described appointment for the incidence relation between the editing area of setting up symbol and appointment, also be used for after the receiving symbol input, according to described incidence relation, but obtain the coding of the editing area related with described symbol.
Display module is used for showing that but the editing area of described coding module output is the preferential editing area of described symbol.
The system of the preferential editing area of described designated symbols further comprises:
Class Modules, described designated module is connected with described relating module by described class Modules;
Described designated module be used for to receive is specified input, but and according to an editing area of described input designated symbols class;
Described class Modules is used for obtaining according to the classification of sign of preserving all symbols of described symbol class.
The system of the preferential editing area of described designated symbols, further, but described relating module is used for coming together to set up described incidence relation by the coding of the editing area of described symbol and described appointment is kept at.
The system of the preferential editing area of described designated symbols, further, but described designated module also is used for not receiving any described appointment input and during according to an editing area of described input designated symbols, but specifies an editing area of described symbol according to default setting.
The system of the preferential editing area of described designated symbols, further, described designated module receives specifies input to adopt interactive mode by interactive interface.
Second aspect present invention also provides a kind of method of preferential editing area of designated symbols, comprising:
Receive to specify input, but according to an editing area of described input designated symbols;
But set up the incidence relation between the editing area of described symbol and described appointment;
The receiving symbol input, but the editing area related with described symbol obtained according to described incidence relation, but show that described editing area is the preferential editing area of described symbol.
The method of the preferential editing area of described a kind of designated symbols further comprises:
But behind the editing area of described designated symbols but the editing area of described appointment is encoded, but but corresponding relation between the coding of editing area of the editing area of described appointment and appointment obtained;
But but the incidence relation between the described editing area of setting up symbol and appointment is the incidence relation of setting up between the coding of editing area of described symbol and described appointment;
Described but to obtain the editing area related with described symbol according to incidence relation be at first to obtain the coding related with described symbol according to described incidence relation, but then obtain editing area corresponding to described coding according to described corresponding relation.
The method of the preferential editing area of described a kind of designated symbols further, was classified to symbol before input is specified in described reception, but described appointment is an editing area of specifying all symbols in the symbol class that described classification obtains according to described input.
The method of the preferential editing area of described a kind of designated symbols, further, but described incidence relation is to come together to set up by the coding of the editing area of described symbol and described appointment is kept at.
The method of the preferential editing area of described a kind of designated symbols further, but does not receive any described appointment input and during according to an editing area of described input designated symbols, but specifies an editing area of described symbol according to default setting.
The method of the preferential editing area of described a kind of designated symbols, further, described reception specifies input to adopt interactive mode by interactive interface.
The system and method for the preferential editing area of a kind of designated symbols that the present invention proposes, before can and setting type in the input expression formula but the symbol with a plurality of editing areas is specified preferential editing area, make the preferential editing area of symbol meet user's input habit, thereby the user is inputted and can improve input and composing efficient when setting type expression formula.
Description of drawings
But Fig. 1 is the fractional symbol of prior art and the synoptic diagram of editing area thereof;
Fig. 2 is the structured flowchart of system of preferential editing area of the designated symbols of one embodiment of the invention;
Fig. 3 is the structured flowchart of system of preferential editing area of the designated symbols of another embodiment of the present invention;
Fig. 4 is the structured flowchart of method of preferential editing area of the designated symbols of further embodiment of this invention;
Fig. 5 is the structured flowchart of method of preferential editing area of the designated symbols of yet another embodiment of the invention;
Fig. 6 is the synoptic diagram of interactive interface of the appointment input of one embodiment of the invention;
Fig. 7 is the process flow diagram of method of preferential editing area of the designated symbols of one embodiment of the invention;
Fig. 8 is the process flow diagram of method of preferential editing area of the designated symbols of yet another embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
The present invention need to be applicable to scientific and technological electron-like software for composing and the Word of the various expression formulas of input, and a kind of system and method for preferential editing area of designated symbols is provided.Its core concept is: but for the symbol with a plurality of editing areas, preferential editing area that can designated symbols is to satisfy the input habit of different user.
Fig. 2 is the structured flowchart of system of preferential editing area of the designated symbols of one embodiment of the invention.As shown in Figure 2, the system of the preferential editing area of designated symbols comprises: designated module, relating module and display module.Designated module is connected with relating module, and relating module is connected with display module.Designated module is used for receiving specifies input 21, but according to an editing area 23 of specifying input 21 designated symbols 22.But relating module is used for setting up the incidence relation between the editing area 23 of symbol 22 and appointment, relating module also is used for receiving symbol 24 input after, but obtain the editing area 25 related with symbol 24 according to incidence relation by symbol 24.Display module is used for showing that but editing area 25 be the preferential editing area of symbol 24 in displaying symbol 24, and namely behind input and displaying symbol 24, but cursor at first is arranged on the editing area 25 of symbol 24, but the wait user inputs at editing area 25.
Fig. 3 is the structured flowchart of system of preferential editing area of the designated symbols of another embodiment of the present invention.As shown in Figure 3, compare with the embodiment of Fig. 2, the system of the preferential editing area of the designated symbols of the embodiment of Fig. 3 also comprises coding module.Coding module is connected with designated module, relating module and display module, and relating module is connected with display module with designated module.Designated module is identical with the embodiment of Fig. 2 for the function of finishing, and specifies input 31 for receiving, but inputs an editing area 33 of 31 designated symbols 32 according to appointment.Coding module is used for but editing area 33 is encoded, but but obtains corresponding relation between the coding 34 of editing area 33 and editing area.Relating module is used for setting up the incidence relation between symbol 32 and the coding 34, relating module also is used for receiving symbol input 35 after, obtain the coding 36 related with symbol 35 according to incidence relation by symbol 35.But coding module also is used for according to corresponding relation obtain the encoding editing area 37 of 36 correspondences, display module is used for showing that but editing area 37 is the preferential editing area of symbol 35 in displaying symbol 35, namely behind input and displaying symbol 35, but cursor at first is arranged on the editing area 37 of symbol 35, but waits for that the user is in editing area 37 inputs.
Wherein, but coding module be used for editing area is encoded, for example, for fractional symbol, molecule encoding is 1, denominator is encoded to 2; For radical repeatedly, radicand is encoded to 1, and the evolution number encoder is 2; For integral sign, the integration body region is encoded to 1, and the upper limit of integral regional code is 2, and the lower limit of integral zone number is 3; For exponent sign, truth of a matter regional code is 1, and exponential region is encoded to 2.
Fig. 4 is the structured flowchart of system of preferential editing area of the designated symbols of further embodiment of this invention.As shown in Figure 4, compare with the embodiment of Fig. 2, the system of the preferential editing area of the designated symbols of Fig. 4 also comprises class Modules, and designated module is connected with relating module with class Modules, and relating module is connected with display module.The system of this embodiment is according to symbol being classified with the preferential editing area of designated symbols class afterwards.Designated module is used for receiving specifies input 41, but according to an editing area 43 of specifying input 41 designated symbols classes 42.Class Modules is used for obtaining according to the classification of sign of preserving all symbols 44 of symbol class 42.But that is to say an editing area of specifying input to specify all symbols in the symbol class according to.But the incidence relation between all symbols 44 that relating module is used for setting up symbol class 42 and the editing area 43 of appointment, relating module also is used for receiving symbol 45 input after, but obtain the editing area 46 related with symbol 45 according to incidence relation.Display module is used for showing that but editing area 46 be the preferential editing area of symbol 45 in displaying symbol 45, and namely behind input and displaying symbol 45, but cursor at first is arranged on the editing area 46 of symbol 45, but the wait user inputs at editing area 46.
Wherein, but classification of sign can come symbol classified according to the planform of the quantity of the editing area of symbol and symbol and obtain, for example can be divided into following 5 symbol classes:
1. fraction class: comprise positive fraction, oblique fraction, line fraction;
2. radical class: only have a kind of, the radical with the evolution number except the secondary radical.
3. integration and large-scale operational symbol class: comprise various integral formulas, and summation, the large-scale operational symbol such as quadrature; :
4. push up end class: comprise the similar symbol of asking the limit;
5. exponential sum logarithm class: with up and down the index marked and log.
But other only has the symbol of an editing area to be not considered, and gives birth to symbol, adds line symbol, boundary mark symbol etc. such as Acker.
In addition, for determinant symbol and matrix notation and be similar to determinant symbol and matrix notation, but although comprise a plurality of editing areas in these symbols, but when the expression formulas such as input determinant or matrix, do not need to specify preferential editing area, but preferential editor's editing area of these symbols is with regard to first editing area of is-symbol, but for example the editing area of matrix upper left corner the first row first row is exactly preferential editing area.
Fig. 5 is the structured flowchart of system of preferential editing area of the designated symbols of yet another embodiment of the invention.As shown in Figure 5, compare with the embodiment of Fig. 4, the system of the preferential editing area of the designated symbols of Fig. 5 also comprises coding module, and coding module is connected with designated module, relating module and display module, and relating module is connected with display module with class Modules.Designated module is used for receiving specifies input 51, but according to an editing area 53 of specifying input 51 designated symbols classes 52.Class Modules is used for obtaining according to the classification of sign of preserving all symbols 55 of symbol class 52.But that is to say an editing area of specifying input to specify all symbols in the symbol class according to.Coding module is used for but editing area 53 is encoded, but but obtains corresponding relation between the coding 54 of editing area 53 and editing area.Relating module is used for setting up the incidence relation between symbol 55 and the coding 54, and relating module is used for also that receiving symbol 56 inputs are rear to obtain the coding 57 related with symbol 56 according to incidence relation.But coding module also is used for according to corresponding relation obtain the encoding editing area 58 of 56 correspondences, display module is used for showing that but editing area 58 is the preferential editing area of symbol 56 in displaying symbol 56, namely behind input and displaying symbol 56, but cursor at first is arranged on the editing area 58 of symbol 56, but waits for that the user is in editing area 58 inputs.
Wherein, classification of sign is identical with the embodiment of Fig. 4.
Wherein, but coding module be used for the editing area of the symbol class of appointment is encoded, for example, but can adopt positive integer that editing area is encoded, but as follows for the coding of the editing area of 5 symbol classes:
1. fraction class: molecule encoding is 1, and denominator is encoded to 2;
2. radical class: radicand is encoded to 1, and the evolution number encoder is 2;
3. integration and large-scale operational symbol class: body region is encoded to 1, and upper area is encoded to 2, and lower area is numbered 3;
4. push up end class: body region is encoded to 1, and top area is encoded to 2, and bottom section is numbered 3;
5. exponential sum logarithm class: upper area is encoded to 1, and lower area is numbered 2.
Further, in one embodiment of the invention, but but relating module be used for by the coding of the editing area of symbol and appointment being kept at the incidence relation between the editing area of coming together to set up symbol and appointment.For example, for fractional symbol, if but the editing area of appointment be encoded to 1, so fractional symbol 1 is kept at coding.After relating module receives the fractional symbol input, obtain the coding 1 that is kept at fractional symbol according to fractional symbol.
Further, in one embodiment of the invention, designated module adopts interactive mode to specify input by interactive interface.Fig. 6 is the synoptic diagram of interactive interface of the appointment input of one embodiment of the invention.As shown in Figure 6, in this embodiment, specify input according to the symbol class that obtains after symbol is classified, but according to an editing area of specifying input to specify simultaneously all symbols in the symbol class.
Further, in one embodiment of the invention, but designated module also is used for not receiving any appointment input and during according to an editing area of this input designated symbols, but specifies an editing area of this symbol according to default setting.When the user specified, symbol adopted the preferential editing area of default setting, and when this preferential editing area met user's use habit, the user can not specify.
The below is elaborated to the method for the preferential editing area of designated symbols of the present invention again.
Fig. 7 is the process flow diagram of method of preferential editing area of the designated symbols of one embodiment of the invention.As shown in Figure 7, the method for the preferential editing area of designated symbols comprises step: receive and specify input, but input an editing area of designated symbols according to this; But set up the incidence relation between the editing area of symbol and this appointment; The receiving symbol input, but obtain the editing area related with symbol according to this incidence relation, but show that this editing area is the preferential editing area of symbol, namely after input and showing the symbol of input, cursor at first is arranged on the preferential editing area of symbol, waits for that the user is in preferential editing area input.
In the method for the preferential editing area of the designated symbols of another embodiment of the present invention, compare with the embodiment of Fig. 7, at first symbol is classified, then receive and specify input, but specify an editing area of all symbols in the symbol class that obtains of classifying according to this input.Other step is identical with embodiment shown in Figure 7.In the present embodiment, be the symbol class that obtains according to classification, but according to an editing area of specifying input to specify simultaneously all symbols in the symbol class.Wherein, but can come symbol is classified according to the quantity of the editing area of symbol and the planform of symbol, for example can be divided into 5 symbol classes, specify as previously mentioned.
In the method for the preferential editing area of the designated symbols of another embodiment of the present invention, compare with the embodiment of Fig. 7, but behind an editing area of designated symbols, but the editing area of this appointment is encoded, but but corresponding relation between the coding of editing area of the editing area of appointment and appointment obtained; But be the incidence relation of setting up between the coding of editing area of symbol and this appointment but set up incidence relation between the editing area of symbol and appointment; The receiving symbol input obtains the coding related with this symbol according to this incidence relation, but then obtains editing area corresponding to this coding according to corresponding relation.Other step is identical with embodiment shown in Figure 7.In the present embodiment, but can adopt positive integer that editing area is carried out, for example, for fractional symbol, molecule encoding is 1, and denominator is encoded to 2; For radical repeatedly, radicand is encoded to 1, and the evolution number encoder is 2; For integral sign, the integration body region is encoded to 1, and the upper limit of integral regional code is 2, and the lower limit of integral zone number is 3; For exponent sign, truth of a matter regional code is 1, and exponential region is encoded to 2.
Fig. 8 is the process flow diagram of method of preferential editing area of the designated symbols of yet another embodiment of the invention.As shown in Figure 8, the method for the preferential editing area of designated symbols comprises step: symbol is classified; Receive to specify input, but and an editing area of all symbols in the symbol class that obtains according to this this classification of input appointment; But the editing area to this appointment is encoded, but but obtain corresponding relation between the coding of editing area of the editing area of appointment and appointment; But set up the incidence relation between the coding of editing area of symbol and this appointment; Receiving symbol input according to this incidence relation, but obtains the coding of the editing area related with symbol; But obtain the editing area corresponding with this coding according to corresponding relation, show that but this editing area is the preferential editing area of symbol, namely after input and showing the symbol of input, cursor at first is arranged on the preferential editing area of symbol, waits for that the user is in preferential editing area input.Wherein, but can come symbol is classified according to the quantity of the editing area of symbol and the planform of symbol, for example can be divided into 5 symbol classes, specify as previously mentioned.Wherein, but can adopt positive integer that editing area is encoded, but to the explanation of the coding of the editing area of 5 symbol classes as previously mentioned.
Further, in one embodiment of the invention, but but by the incidence relation between the coding that the coding of the editing area of symbol and appointment is kept at the editing area of coming together to set up symbol and appointment.For example, for fractional symbol, if but the editing area of appointment be encoded to 1, so fractional symbol 1 is kept at coding.After receiving the fractional symbol input, obtain the coding 1 that is kept at fractional symbol according to fractional symbol.
Further, in one embodiment of the invention, adopt interactive mode to specify input by interactive interface, as shown in Figure 6 be the synoptic diagram of interactive interface of the appointment input of one embodiment of the invention.
Further, in one embodiment of the invention, but do not receive any appointment input and during according to an editing area of this input designated symbols, but specify an editing area of this symbol according to default setting.When the user specified, symbol adopted the preferential editing area of default setting, and behind input and displaying symbol, cursor at first appears at the preferential editing area of this symbol of default setting, waited for user's input.
Obviously, under the prerequisite that does not depart from true spirit of the present invention and scope, the present invention described here can have many variations.Therefore, the change that all it will be apparent to those skilled in the art that all should be included within the scope that these claims contain.
Claims (12)
1. the system of the preferential editing area of a designated symbols is characterized in that, comprising:
Designated module be used for to receive is specified input, but and according to an editing area of described input designated symbols;
Relating module is connected with described designated module, but for the incidence relation between the editing area of setting up described symbol and described appointment, also is used for according to described incidence relation, but obtaining the editing area related with described symbol after the receiving symbol input;
Display module is connected with described relating module, but is used for showing that described editing area is the preferential editing area of described symbol.
2. system according to claim 1 is characterized in that, further comprises:
Coding module, be connected with described designated module, relating module and display module, be used for but the editing area of described appointment is encoded, but but obtain corresponding relation between the coding of editing area of the editing area of described appointment and appointment, but also be used for receiving the coding of the editing area of described relating module output, according to described corresponding relation, but obtain editing area corresponding to described coding;
But but described relating module is be used to the incidence relation between the coding of the editing area of setting up described symbol and described appointment for the incidence relation between the editing area of setting up symbol and appointment, also be used for after the receiving symbol input, according to described incidence relation, but obtain the coding of the editing area related with described symbol.
Display module is used for showing that but the editing area of described coding module output is the preferential editing area of described symbol.
3. system according to claim 1 and 2 is characterized in that, further comprises:
Class Modules, described designated module is connected with described relating module by described class Modules;
Described designated module be used for to receive is specified input, but and according to an editing area of described input designated symbols class;
Described class Modules is used for obtaining according to the classification of sign of preserving all symbols of described symbol class.
4. system according to claim 2 is characterized in that: but described relating module is used for coming together to set up described incidence relation by the coding of the editing area of described symbol and described appointment is kept at.
5. according to claim 1,2 or 4 described systems, it is characterized in that: when described designated module also is used for not receiving any described appointment input, but specify an editing area of described symbol according to default setting.
6. method according to claim 1 and 2 is characterized in that: described designated module receives specifies input to adopt interactive mode by interactive interface.
7. the method for the preferential editing area of a designated symbols is characterized in that, comprising:
Receive to specify input, but according to an editing area of described input designated symbols;
But set up the incidence relation between the editing area of described symbol and described appointment;
The receiving symbol input, but the editing area related with described symbol obtained according to described incidence relation, but show that described editing area is the preferential editing area of described symbol.
8. method according to claim 7 is characterized in that, further comprises:
But behind the editing area of described designated symbols but the editing area of described appointment is encoded, but but corresponding relation between the coding of editing area of the editing area of described appointment and appointment obtained;
But but the incidence relation between the described editing area of setting up symbol and appointment is the incidence relation of setting up between the coding of editing area of described symbol and described appointment;
Described but to obtain the editing area related with described symbol according to incidence relation be at first to obtain the coding related with described symbol according to described incidence relation, but then obtain editing area corresponding to described coding according to described corresponding relation.
9. according to claim 7 or 8 described methods, it is characterized in that: before input is specified in described reception, symbol is classified, but described appointment is an editing area of specifying all symbols in the symbol class that described classification obtains according to described input.
10. method according to claim 8 is characterized in that, further comprises: but described incidence relation is to come together to set up by the coding of the editing area of described symbol and described appointment is kept at.
11. according to claim 7,8 or 10 described methods, it is characterized in that: when not receiving any described appointment input, but specify an editing area of described symbol according to default setting.
12. method according to claim 11 is characterized in that: described reception specifies input to adopt interactive mode by interactive interface.
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| CN 200910236986 CN102053956B (en) | 2009-10-30 | 2009-10-30 | System and method for indicating preferentially edited region of symbol |
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| CN 200910236986 CN102053956B (en) | 2009-10-30 | 2009-10-30 | System and method for indicating preferentially edited region of symbol |
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Citations (3)
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|---|---|---|---|---|
| CN1553377A (en) * | 2003-05-26 | 2004-12-08 | 珠海金山软件股份有限公司 | System and method for scientific formula visual edit |
| CN101236552A (en) * | 2007-02-02 | 2008-08-06 | 国家人口计生委科学技术研究所 | Formula editing device, system and method |
| CN101436308A (en) * | 2008-12-15 | 2009-05-20 | 北大方正集团有限公司 | Formula input method and system for interactive formula typesetting software |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553377A (en) * | 2003-05-26 | 2004-12-08 | 珠海金山软件股份有限公司 | System and method for scientific formula visual edit |
| CN101236552A (en) * | 2007-02-02 | 2008-08-06 | 国家人口计生委科学技术研究所 | Formula editing device, system and method |
| CN101436308A (en) * | 2008-12-15 | 2009-05-20 | 北大方正集团有限公司 | Formula input method and system for interactive formula typesetting software |
Non-Patent Citations (1)
| Title |
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| JP特开2007-264741A 2007.10.11 |
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