1. An apparatus for evaluating equipment operability which evaluates operability of equipment, comprising: a physique management unit managing physique information about a human body model as a copy of a shape of a human body; a target management unit managing a human body part of the human body model and a target position to which the human body part is to be moved as target information; a posture calculation unit calculating an operating posture taken when the human body model is operating an equipment model as a copy of a shape of the equipment using the target position as a watch point of the human body model based on the physique information about the human body model managed by the physique management unit and the target information managed by the target management unit; a simulation unit arranging the equipment model and the human body model taking the operating posture calculated by the posture calculation unit in a three-dimensional virtual space, and displaying a view image as an image of the three-dimensional virtual space viewed from the point of view of the human body model taking the operating posture; a view determination unit determining whether or not a visual identification target part is in the range of the view of the human body model using the information about the visual identification target part as the part of the equipment model to be visually confirmed by the human body model, wherein the view determination unit includes a first determination unit determining visibility of a visual identification target part of the equipment model displayed on the view image and readability of a character string associated with the visual identification target part based on the information about the visual identification target part; and a second determination unit determining the operability of the equipment based on a determination result by the first determination unit.