HP F2229AA HP 50g_user's manual_English_HDPSG49AEM8.pdf - Page 128
Y1x = Exp-x^2/2, Erase, Label, Trace, Cancl
UPC - 882780502291
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• Press ` to return to the PLOT - FUNCTION window. The expression 'Y1(X) = EXP(-X^2/2)/√(2*π)' will be highlighted. Press L@@@OK@@@ to return to normal calculator display. • Enter the PLOT WINDOW environment by entering „ò (press them simultaneously if in RPN mode). Use a range of -4 to 4 for HVIEW, then press @AUTO to generate the V-VIEW automatically. The PLOT WINDOW screen looks as follows: • Plot the graph: @ERASE @DRAW (wait till the calculator finishes the graphs) • To see labels: @EDIT L @LABEL @MENU • To recover the first graphics menu: LL@)PICT • To trace the curve: @TRACE @@X,Y@@ . Then use the right- and left-arrow keys (š™) to move about the curve. The coordinates of the points you trace will be shown at the bottom of the screen. Check that for x = 1.05 , y = 0.0231. Also, check that for x = -1.48 , y = 0.134. Here is picture of the graph in tracing mode: • To recover the menu, and return to the PLOT WINDOW environment, press L@CANCL. Press L@@OK@@ to return to normal display. Page 10-3