HP 48gII hp 48gII_user's manual_English_E_HDPMSG48E67_V2.pdf - Page 389
Graphics of transcendental functions, Graph of ln(X), When the PLOT
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Move the cursor to the upper left corner of the display, by using the š and - keys. To display the figure currently in level 1 of the stack press L REPL . To return to normal calculator function, press @)PICT @CANCL. Note: To save printing space, we will not include more graphs produced by following the instructions in this Chapter. The user is invited to produce those graphics on his or her own. Graphics of transcendental functions In this section we use some of the graphics features of the calculator to show the typical behavior of the natural log, exponential, trigonometric and hyperbolic functions. You will not see more graphs in this chapter, instead the user should see them in the calculator. Graph of ln(X) Press, simultaneously if in RPN mode, the left-shift key „ and the ô (D) key to produce the PLOT SETUP window. The field labeled Type will be highlighted. If the option Function is not already selected press the soft key labeled @CHOOS, use the up and down keys to select Function, and press @@@OK@@@ to complete the selection. Check that the field labeled Indep: contains the variable 'X'. If that is not so, press the down arrow key twice until the Indep field is highlighted, press the soft key labeled @EDIT and modify the value of the independent variable to read 'X'. Press @@@OK@@@ when done. Press L@@@OK@@@ to return to normal calculator display. Next, we'll resize the plot window. First, press, simultaneously if in RPN mode, the left-shift key „ and the ñ (A) key to produce the PLOTFUNCTION window. If there is any equation highlighted in this window, press @@DEL@@ as needed to clear the window completely. When the PLOTFUNCTION window is empty you will get a prompt message that reads: No Equ., Press ADD. Press the soft key labeled @@ADD@! . This will trigger the Page 12-8
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