| 摘要 |
PROBLEM TO BE SOLVED: To provide a trend graph display device capable of providing an operator with information useful for situation determination.SOLUTION: A trend graph display device 1 which displays prediction data obtained by a simulation on a time base as an extension of past and current trends comprises control means (prediction calculation unit 10, variation range prediction calculation unit 11, history DB 12, drawing and display control unit 13, display memory, and display parameter setting unit 16) for superimposing, on the prediction data, data about prediction accuracy calculated in association with the prediction data for a visual display. |
