Zintg; Zsqr; Ztrig; The Symbolic Menu And Graphs - HP F2226A - 48GII Graphic Calculator User Manual

Graphing calculator
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ZINTG

Zooms the graph so that the pixel units become user-define units. For example,
the minimum PICT window has 131 pixels. When you use ZINTG, with the
cursor at the center of the screen, the window gets zoomed so that the x-axis
extends from –64.5 to 65.5.

ZSQR

Zooms the graph so that the plotting scale is maintained at 1:1 by adjusting
the x scale, keeping the y scale fixed, if the window is wider than taller. This
forces a proportional zooming.

ZTRIG

Zooms the graph so that the x scale incorporates a range from about –3π to
+3π, the preferred range for trigonometric functions.
Note: None of these functions are programmable. They are only useful in
an interactive way. Do not confuse the command @ZFACT in the ZOOM menu
with the function ZFACTOR, which is used for gas dynamic and chemistry
applications (see Chapter 3).

The SYMBOLIC menu and graphs

The SYMBOLIC menu is activated by pressing the P key (fourth key from
the left in fourth row from the top of the keyboard). This menu provides a list
of menus related to the Computer Algebraic System or CAS, these are:
All but one of these menus are available directly in the keyboard by pressing
the appropriate keystroke combination as follows. The Chapter of the user
manual where the menus are described is also listed:
Page 12-51

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