Abstract:
A numerical value inputting device includes a touch panel and a digit number changing part. The touch panel includes a display face to display a numerical value display area and detects simultaneously two pressed positions onto the display face. The digit number changing part changes the number of digits of a numerical value displayed on the numerical value display area in accordance with separation or approach of the two pressed positions.
Abstract:
An image forming system includes a portable terminal, an information processing terminal, and an image forming apparatus. The portable terminal has an imaging function. The information processing terminal generates print data. The image forming apparatus generates a printed matter based on the print data received from the information processing terminal. The portable terminal includes an imaging unit, an information acquiring unit, a preview image generating unit, and a display unit. The imaging unit images the preview-display code displayed in the display unit of the information processing terminal. The information acquiring unit acquires information necessary for the preview display based on the preview-display code acquired by the imaging unit. The preview image generating unit generates a preview image of the printed matter according to the information acquired by the information acquiring unit. The display unit displays the preview image generated by the preview image generating unit.