HP F2222A#ABA hp 9g_user's manual_manuel de l'utilisateur_EF_HDP1SG181S5.pdf - Page 20
Graph, Text Display and Clearing a Graph, Zoom Function, Superimposing Graphs, Trace Function
UPC - 808736452823
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After setting the range, press [ Graph ] and enter the expression to be graphed. See Example 37. Graph ↔ Text Display and Clearing a Graph Press [ G T ] to switch between graph display and text display and vice versa. To clear the graph, please press [ 2nd ] [ CLS ]. Zoom Function The zoom function lets you enlarge or reduce the graph. Press [ 2nd ] [ Zoom x f ] to specify the factor for enlarging the graph, or press [ 2nd ] [ Zoom x 1/f ] to specify the factor for reducing the graph. To return the graph to its original size, press [ 2nd ] [ Zoom Org ]. See Example 37. Superimposing Graphs • A graph can be superimposed over one or more graphs. This makes it easy to determine intersection points and solutions that satisfy all the corresponding expressions. See Example 38. • Be sure to input variable X in the expression for the graph you want to superimpose over a built-in graph. If variable X is not included in the second expression, the first graph is cleared before the second graph is generated. See Example 39. Trace Function E-20