Casio FX-9860GII-L-IH User Guide - Page 264
Calculating the Root
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5-11-9 Function Analysis k Calculating the Root Description This feature provides a number of different methods for analyzing graphs. Set Up 1. From the Main Menu, enter the GRAPH mode. 2. Draw the graphs. Execution 3. Select the analysis function. !5(G-SLV)1(ROOT) ... Calculation of root 2(MAX) ... Local maximum value 3(MIN) ... Local minimum value 4(Y-ICPT) ... y-intercept 5(ISCT) ... Intersection of two graphs 6(g)1(Y-CAL) ... y-coordinate for given x-coordinate 6(g)2(X-CAL) ... x-coordinate for given y-coordinate 6(g)3(∫dx) ... Integral value for a given range 4. When there are multiple graphs on the screen, the selection cursor (k) is located at the lowest numbered graph. Press f and c to move the cursor to the graph you want to select. 5. Press w to select the graph where the cursor is located and display the value produced by the analysis. When an analysis produces multiple values, press e to calculate the next value. Pressing d returns to the previous value. 20050401