"This variable is the right-limit of the Graph Screen. It is also the upper limit of the calculated values when the calculator graphs Function graphs. If this is changed, the graph is cleared, as if ClrDraw had been called. This variable must be greater than Xmin."@en . . . "Xmax"@en . . "This variable is the right-limit of the Graph Screen. It is also the upper limit of the calculated values when the calculator graphs Function graphs. If this is changed, the graph is cleared, as if ClrDraw had been called. This variable must be greater than Xmin."@en .