| 摘要 |
<p>PROBLEM TO BE SOLVED: To develop a display method and display device for familiarly and daily using calculating, recording, and preserving functions of a personal computer. SOLUTION: A display system and device capable of performing calculation and calculation processing, which has better operability such that calculation and a calculation formula are displayed on a window-shaped picture displayed on a screen under an instruction from a calling key or a keyboard by depressing ten keys, is provided.</p> |
