Sharp EL9900C EL-9900C - Page 71
Maximum, X_Incpt, Y_Incpt
UPC - 074000016873
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Chapter 4: Basic Graphing Features - Basic Keyboard 4 Maximum Note: Finds the maximum of the given graph, and places the flashing cursor at that position. If the given graph has no maximum value, an error message will be displayed. 5 X_Incpt Note: Finds an X-intercept (a crossing point of the graph on the X-axis) of the given graph, and places the flashing cursor at that position. If there is more than one Xintercept, the next X-intercept can be found by selecting the tool again. If the graph has no Xintercept, an error message will be displayed. 6 Y_Incpt Note: Finds an Y-intercept of the given graph, and places the flashing cursor at that position. If the graph has no Yintercept, an error message will be displayed. d: There is an extensive set of features under this menu item that enhance the graphing capabilities of the calculator. Only the shading function will be covered here; refer to Chapter 6 "Advanced Graphing Features - Advanced Keyboard" in this manual for more information. To access the DRAW menu, press @ d. An inequation can be expressed with the calculator's graphing capability. Here's how: 1. Set up a simple graph within the Graph Equation window. Enter "X2" for Y1, for example. 61