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Document 
Document Title 

US20140122549 
Intermediate Steps Display for a Calculator
This patent is for a device that displays the steps involved in a calculation as well as the answer of the calculation. By doing this you preserve the main benefits of the calculator (speed and... 

US20080046491 
CONFIGURABLE UNIT CONVERSION SYSTEMS AND METHODS THEREOF
A unit conversion system configuration method includes the following steps. The unit conversion system includes a unit converter converting a unit to another unit utilizing a repository of unit... 

US20130290391 
MATHEMATICAL EXPRESSION INPUT APPARATUS, MATHEMATICAL EXPRESSION MODIFICATION METHOD, AND STORAGE MEDIUM STORING PROGRAM
A mathematical expression input apparatus includes a mathematical expression display unit configured to display a mathematical expression, a mathematical expression portion designation unit... 

US20050108306 
Logic formulator
Historically, mathematicians and scientists have never really defined creativity, and more importantly, Mathematical Creativity. My novel discovery introduces the precise definition and system... 

US20060277233 
Functionality disable and reenable for programmable calculators
A handheld calculator with disable/reenable capability. The calculator includes a keypad, a display screen, and circuitry internal to the calculator. The circuitry includes a microprocessor, a... 

US20060294168 
APPARATUS AND METHOD OF POSTING A SIGN ON A CROSSBAR
A sign sleeve includes a hollow cylinder that conformingly fits around a crossbar. Two opposing side flaps can be opened for draping the cylinder over the crossbar and thereafter fastened to close... 

US20050091292 
Classificatory accounting calculator structure
A classificatory accounting calculator structure, the calculator consisting of a plurality of classification keys, operation keys, and function keys such that when the operator presses amount... 

US20050033782 
Graphical calculator user interface for function drawing
A method of graphing an expression on a calculator display includes, in response to only receiving as input an expression to be graphed, graphing the received expression on a calculator display as... 

US20110225219 
MATHEMATICAL EXPRESSION CALCULATION APPARATUS AND COMPUTERREADABLE MEDIUM
A mathematical expression calculation apparatus includes: a display; and a processor to perform the operations of: displaying a mathematical expression on the display; displaying terms included in... 

US20080091752 
COMPUTER BASED CALCULATOR WITH SAVABLE AND PRINTABLE OUTPUT
A computer processor is disclosed, which is programmed to display on a screen of a computer monitor a calculator image having a first field. The first field can be activated using the interactive... 

US20050228837 
Approximate number calculator
A calculator arranged as a program for a computer or as a stand alone device is arranged so that the processor, input and display are arranged to receive input of values and symbols, and to... 

US20120239716 
BEARING LIFE CYCLE PROGNOSTICS
A lifecycle prognosis is created of a rollingelement bearing. As from manufacturing of the bearing and during the bearing's lifecycle that may include periods of the bearing's nonuse, service... 

US20140025716 
COMPUTATIONS USING A POLYCHRONOUS WAVE PROPAGATION SYSTEM
The present invention relates to a polychronous wave propagation system that is based on relative timing between two or more propagated waves through a wave propagation medium. The relative timing... 

US20060242213 
Variable Precision Processor
Systems and methods for processing variable precision data using tags to identify the positions of digits within data words. One embodiment comprises a processor having internal structures that... 

US20070050433 
Method of operating a portable terminal in a calculator mode and portable terminal adapted to operate in the calculator mode
An apparatus and method for operating a calculator mode in a portable terminal having a camera are provided. The apparatus and method comprise the steps of recognizing an arithmetic expression... 

US20110219051 
ELECTRONIC CALCULATOR, DISPLAY METHOD, AND RECORDING MEDIUM FOR DISPLAYING MATHEMATICAL EXPRESSION IN FULL COLOR
An electronic calculator makes a display section display an input mathematical expression when receiving an input of the mathematical expression from a user. At that time, a color is given to a... 

US20050187994 
Computing device capable of time sorting and its control method
A computing device capable of time sorting and its control method are disclosed, wherein a clock is embedded in the computing device for providing corresponding time parameters so as to sort and... 