Abstract: A calculating device includes a key input unit, a display and a processor. The processor performs: calculating a payment data item from input calculation data including numerical data items and operation data items; in the case where input of a first deposit data item and an instruction of a change function are received, controlling the display to display a calculation result data item obtained by subtracting the payment data item from the first deposit data item, as a first change data item; and in the state where the display displays the first change data item, even though the input calculation data are not re-input, if a second deposit data item and an instruction of the change function are received, controlling the display to display a calculation result data item obtained by subtracting the payment data item from the second deposit data item, as a second change data item.

Abstract: A calculation apparatus in which a controlling unit performs a first storing process for storing a first value in a storing unit; a first displaying process for executing operation on a second value, using the first value to obtain and display a first and second output value on a displaying unit; a second displaying process for executing operation on a third value, using the first value to obtain and display a third and fourth output value on the displaying unit; a second storing process for adding the third output value to the first output value and the fourth output value to the second output value to obtain and store a first sum and a second sum in the storing unit; and a sum displaying process for displaying the first and second sum stored in the storing unit on the displaying unit in response to operation of the key unit.

Abstract: According to one embodiment, a calculation data printing apparatus includes a printer and a processor. The processor is configured to execute processes of inputting a plurality of calculation data in accordance with a user operation; causing the printer to print, as first print data, the plurality of calculation data, and calculation result data of the plurality of calculation data; changing at least one of the plurality of calculation data in accordance with a user operation; and causing the printer to print, as second print data, at least one calculation data including the changed calculation data and calculation result data of the plurality of calculation data at least one of which is changed, without printing at least one of the plurality of calculation data printed as the first print data.

Abstract: A calculating device, includes: a display; and a processor, wherein, when numerical value data of tax-excluded amount data is input in accordance with a user operation, and a first operation for a tax calculation of a first tax rate is received, the processor calculates first tax-included amount data according to the first tax rate for the numerical value data, when numerical value data of tax-excluded amount data is input in accordance with the user operation, and a second operation for a tax calculation of a second tax rate is received, the processor calculates second tax-included amount data corresponding to the second tax rate for the numerical value data, when a third operation for a total tax calculation is received from a user, the processor causes total tax-included amount data to be displayed on the display, the total tax-included amount data being obtained by adding first subtotal tax-included amount data and second subtotal tax-included amount data obtained by adding at least one piece of the secon

Abstract: A calculation device comprises a display including both a first display area and a second display area, and a processor being configured to accept operations of at least one of a tax calculation key which are associated with a plurality of tax rates, respectively, to display, when the operation of the tax calculation key associated with any one of the plurality of tax rates was accepted with respect to numerical value data which indicates tax-excluded amount data displayed on the first display area, tax-included amount data on the first display area, the tax-included amount data being calculated based on the tax rate corresponding to the tax calculation key; and to display, on the second display area, tax-included total amount data which indicates a total of the tax-included amount data corresponding to at least one of the numerical value data.

Abstract: A computing device includes a processor to perform a coefficient calculation control for (i) displaying a mathematical formula including a coefficient on a display unit, (ii) displaying the coefficient name, and (iii) receiving a coefficient value to calculate the mathematical formula; and a regression calculation control for storing numeric data sets of independent and dependent variables in a memory and calculating a value of a coefficient in a regression formula representing the relationship between the independent and dependent variables based on the numeric data sets. The coefficient calculation control performs a coefficient value displaying control for displaying the value of the coefficient in the regression formula calculated through the regression calculation control and performs a post-regression calculation control for using the regression formula as the mathematical formula to calculate the mathematical formula using the displayed coefficient value.

Abstract: According to one embodiment, a tax calculation apparatus includes a display, a printer and a processor. The processor is configured to execute processes of accepting a tax calculation operation by a user; deriving tax calculation result data by executing a calculation based on a numerical data, in response to a input of the numerical data and the acceptance of the tax calculation operation, causing the display to display the tax calculation result data, and causing the printer to print tax calculation print data including the tax calculation result data and tax amount data corresponding to the tax calculation result data; and causing the display to display the tax amount data without printing, if the tax calculation operation is accepted in a state in which the tax calculation result data is displayed on the display.

Abstract: According to an embodiment, an electronic device includes a processor. The processor is configured to perform: formula input process of inputting a plurality of pieces of formula data in association with respective formula numbers through a user operation; a formula setting process of setting formula data in the pieces of formula data input by the formula input process as an output target by the user operation; cited formula extraction process of extracting another formula data in the pieces of formula data when the formula data set by the formula setting process cites a formula number of the another formula data; and a data output process of outputting the set formula data with the extracted another formula data.

Abstract: According to one embodiment, a calculation data printing apparatus includes a printer and a processor. The processor is configured to execute processes of inputting a plurality of calculation data in accordance with a user operation; causing the printer to print, as first print data, the plurality of calculation data, and calculation result data of the plurality of calculation data; changing at least one of the plurality of calculation data in accordance with a user operation; and causing the printer to print, as second print data, at least one calculation data including the changed calculation data and calculation result data of the plurality of calculation data at least one of which is changed, without printing at least one of the plurality of calculation data printed as the first print data.

Abstract: A graph display control apparatus includes a figure display control unit, a graph figure change unit, a coordinate value calculation unit and a figure prominent display control unit. The figure display control unit sets a coordinate system to a display unit and displays (i) a first graph figure and (ii) a coordinate axis or a second graph figure in the system. The graph figure change unit moves or transforms the first graph figure in the system in response to a user operation to change the first graph figure. The coordinate value calculation unit detects an intersection point of (i) the changed first graph figure and (ii) the coordinate axis or the second graph figure and calculates a coordinate value of the intersection point. The figure prominent display control unit prominently displays the changed first graph figure when the coordinate value is an integer.

Abstract: A mathematical expression display control apparatus includes a mathematical expression input unit, a mathematical expression display control unit, a cursor display control unit, an inverse number function input unit, an inverse number target detection unit and an inverse number display control unit. The mathematical expression input unit recognizes a mathematical expression. The mathematical expression display control unit displays the recognized mathematical expression on a display unit. The cursor display control unit moves and displays a cursor in the displayed mathematical expression. The inverse number function input unit recognizes an inverse number function. The inverse number target detection unit detects a chunk region of the mathematical expression as a target of the inverse number function. The inverse number display control unit replaces the detected chunk region with a fraction having the detected chunk region as a denominator and 1 as a numerator to display.

Abstract: An expression processing device of the present invention includes an input unit, a display and a processor. The processor is configured to perform following processes: inputting an expression in response to a user's operation on the input unit; detecting a plurality of variables included in the expression input by the input unit, among the plurality of variables which are usable in expressions; and outputting the input expression and variable values associated with the detected variables.

Abstract: According to an embodiment, an electronic device includes a processor. The processor is configured to perform: formula input process of inputting a plurality of pieces of formula data in association with respective formula numbers through a user operation; a formula setting process of setting formula data in the pieces of formula data input by the formula input process as an output target by the user operation; cited formula extraction process of extracting another formula data in the pieces of formula data when the formula data set by the formula setting process cites a formula number of the another formula data; and a data output process of outputting the set formula data with the extracted another formula data.

Abstract: A calculator includes an input unit and a processor. The processor is configured to perform following processes: receiving a selection of a calculation function type according to a user's operation; receiving an input of calculation object data according to the selected calculation function type, according to a user's operation; and outputting at least one of the calculation object data and calculation result data obtained by a calculation based on the input calculation object data, as external data.

Abstract: A server apparatus includes a processor. The processor is configured to perform: calculation target data receiving processing, group ID receiving processing, data registering processing and integrated calculation result transmitting processing. The calculation target data receiving processing receives calculation target data which is to be output from an information display device. The group ID receiving processing receives a group ID. The data registering processing registers the calculation target data received in the calculation target data receiving processing in association with the group ID received in the group ID receiving processing. The integrated calculation result transmitting processing integrates each calculation target data registered in association with the group ID in the data registering processing for each group ID and transmits a calculating result based on the integrated data.

Abstract: According to an embodiment, a server apparatus includes: a processor configured to perform: receiving a group ID and a plurality of calculation data corresponding to the group ID from a communication device; registering the plurality of received calculation data correlated with the received group ID; and transmitting image data acquired by aggregating the plurality of registered calculation data for the group ID.

Abstract: A server apparatus has a transmission/reception unit and a processor that is configured to transmit a group ID to the communication device by using the transmission/reception unit, receive a plurality of calculation data of calculators from the communication device by using the transmission/reception unit, wherein corresponding images of the plurality of calculation data of calculators were displayed in display devices of calculators, and the plurality of calculation data of calculators of the corresponding images were acquired by the communication device, and output aggregated calculation data acquired by aggregating the received plurality of calculation data of calculators in association with the group ID.

Abstract: When a touch operation on a touch-panel display module of an electronic device has been detected, a display entity corresponding to the touched object is created. The display entity is superimposed on the touched position on a display screen. A projector, an external display device, projects the display entity onto a screen. Even when the display screen of the electronic device has been moved by a touch operation, the audience looking at a screen page displayed on the screen can see the touch position in the form of the display entity, making it possible to understand the meaning of the operator's touch operation.

Abstract: A computing device includes a processor to perform a coefficient calculation control for (i) displaying a mathematical formula including a coefficient on a display unit, (ii) displaying the coefficient name, and (iii) receiving a coefficient value to calculate the mathematical formula; and a regression calculation control for storing numeric data sets of independent and dependent variables in a memory and calculating a value of a coefficient in a regression formula representing the relationship between the independent and dependent variables based on the numeric data sets. The coefficient calculation control performs a coefficient value displaying control for displaying the value of the coefficient in the regression formula calculated through the regression calculation control and performs a post-regression calculation control for using the regression formula as the mathematical formula to calculate the mathematical formula using the displayed coefficient value.

Abstract: In a semiconductor device, a semiconductor module is pressed against a cooler by a spring member. The spring member is compressed by a beam member that is connected with a strut fixed to the cooler. The cooler has a pressed part in which the semiconductor module is pressed, and a strut fixing part to which the strut is fixed. The strut fixing part has higher rigidity than the pressed part.