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Document Title 

8943113 
Methods and systems for parsing and interpretation of mathematical statements
Methods, systems, and devices are described that provide for entry of hybrid mathematical and natural language statements in a mathematical notation friendly language and system for a rigorous yet... 

8214413 
Electronic calculator with a formula display function
When the intake input mode is set and a 2D function key, such as “√{square root over ( )}” or “a/b,” is operated in a state where the cursor has been moved to an arbitrary position on the formula... 

8190406 
Hybrid solver for datadriven analytics
A complex solver that is able to solve a diverse variety of model analytics. Upon identifying the various input variable(s) and output variable(s) of the model variables, if a straight forward... 

8099603 
Secure ID checking
A costeffective system that provides for the efficient protection of transmitted nonpublic attribute information may be used, for example, to control access to a secure area. Encryption of the... 

8024576 
Method and system for authenticating users with a one time password using an image reader
A method and system to authenticate users with a one time password by using a visual communication channel. The method and system may include using a device to capture a sequence of images being... 

7890557 
Reliable recording of input values
The invention relates to a system and a method for the securely recording input values used for processing in a safetyoriented processor. In order to allow input values to be recorded securely by... 

7752183 
Using MD4 checksum as primary keys to link transactions across machines
A method, system, and computer instructions for using MD4 checksum to link transactions across machines. Transaction information is received, wherein transaction information comprises a checksum... 

7420480 
Methods, systems, and computer program products for iteratively providing feedback via a user interface for multicharacter, multimode alphanumeric data entry
Disclosed are methods, systems, and computer program products for receiving input from a multifunction momentary switch by providing feedback from a user interface for each function associated... 

6748404 
Data editable statistic calculator, and the related data editing method
A data editable statistic calculator having an input device, a memory, a statistic computing unit, and an output device. The input device includes a set of number entry keys for data entry,... 

6181262 
Keyboard scan code snooper
A keyboard scan code snooper device comprises a microcontroller, a display, and an oscillator. The scan code snooper may be attached to the data and clock lines of a keyboard serial interface... 

6026449 
Computers with a proof function
The inventive computer includes a RAM which sequentially stores a series of calculation expression data thereto, a proof unit which proves the series of calculation expression data by inputting... 

5886910 
Computer with a check function
A device having a checking function includes a detector for detecting unrelated data included in first inputted calculation data which is not related to a predetermined calculation to be performed... 

5870318 
Computers with a proof function
The inventive computer includes a RAM which sequentially stores a series of calculation expression data thereto, a proof unit which proves the series of calculation expression data by inputting... 

5771176 
Process and apparatus for enhancement for security in a mechanical lock environment (DPN1)
This invention in its preferred embodiment comprises an apparatus and process (including a computer program) for controlling unmarked lockopening keys in a security systems, whereby the... 

5724027 
Method and apparatus for providing system security to personal computer systems using transparent system interrupt
A transparent system management interrupt (SMI) handler equipped with system security functions is provided to a personal computer (PC) for providing system security to the PC. Additionally, the... 

5608661 
Method and apparatus for semiautomatic number verification
SemiAutomatic Number Verification (SNV) on an electronic adding machine employing a small amount of random access memory (RAM), a microprocessor, a printer link and printer, a piezoelectric... 

5109518 
Calculator with singlekey cursorleftshift clear function and singlekey cursorrightshift clear function
A calculator which can display not only numerical digits but also arithmetic operational signs and functional symbols. A display portion of the calculator has a numerical value display portion on... 

5067102 
Method and apparatus for displaying and editing mathematical expressions in textbook format
A calculator programmed for displaying in textbook format a mathematical expression as it is entered. This format is the way the expression would appear if presented in a textbook or if written... 

5007015 
Portable compact device
A portable compact device for use with an external device. The portable compact device includes an interface circuit for providing an interface between an external device and the portable compact... 

4852057 
Algebraic expression manipulation method and implementation for an electronic data processing apparatus
An improved method and apparatus for performing operations on mathematical expressions in a data processing device, in which stored menus having labels of operations, performable on mathematical... 

4831569 
Display system for indicating standby operations of electronic data processing apparatus
A display system for visually indicating stanby operations belonging to a set of hierarchal processing operations to be carried out by an eletronic data processing apparatus, such as an electronic... 

4698784 
Syntactic device for chain calculations
A computing system using a syntactic device for chain calculations with displaying an intermediate result to monitor the progress of the calculation is provided. In one embodiment, if an operator... 

4431866 
Electronic apparatus with vocal output
An electronic apparatus capable of producing a voiced output representing various data input thereto and the results of operations on the input data includes a system for inhibiting the voiced... 

4429182 
Datarelated apparatus with a speechsynthesizer output device
An audible output device disclosed herein for use in electronic calculators or the like is able to distinguish between audible messages at the time of keying input information and at the time... 

4418412 
Data registering system with keyed in and voiced data comparison
In a data registering system, keyedin data coupled from a key input section and voiced sound input data coupled from a microphone are compared in a sound controller and, when both the keyed in... 

4412210 
Electronic calculator with acoustic confirmation of key actuation and acoustical alarms
An electronic calculator is provided which generates confirmation sounds identifying actual depression of any keys of a keyboard. The calculator includes a piezoelectric acoustic element which is... 

4386412 
Calculator with equation display device
A calculator in which when numerical information and function information are sequentially input using ten keys and function keys of a key input section for obtaining a calculation result... 

4354246 
Key input indicating tone generating apparatus for smallsized electronic devices
In a key input indicating tone generating system for smallsized electronic devices, key switches are classified into a plurality of groups according to their function. When key switches belonging... 

4336598 
Electronic calculator with musical note generation
When a key of a keyin section is operated and when an operation unit produces the result of operation, a display is performed on the basis of the keyedin data and the operation result data... 

4334280 
System and method for providing an audible sound and a tactile feedback in an electronic data processing system
In an electronic data processing system a system and method for providing an audible sound and a tactile feedback for a user. In one embodiment the data processing system includes a manually... 

4301511 
Programmable calculator with a device for controlling the reading of program data
A programmable calculator with a device for controlling the reading of program data comprises an input section including at least one key for designating program data, a memory section for storing... 

4249245 
Confirmation sound generation for indicating effective key input operation
A confirmation sound generation system for developing a confirmation sound upon actuation of keys included in a key input means of an electronic apparatus. A determination means is provided for... 