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You can always return to the very last zoom window by using @ZLAST.

BOXZ

Zooming in and out of a given graph can be performed by using the soft-menu

key BOXZ. With BOXZ you select the rectangular sector (the “box”) that you

want to zoom in into. Move the cursor to one of the corners of the box (using

the arrow keys), and press @)ZOOM @BOXZ. Using the arrow keys once more, move

the cursor to the opposite corner of the desired zoom box. The cursor will trace

the zoom box in the screen. When desired zoom box is selected, press @ZOOM.

The calculator will zoom in the contents of the zoom box that you selected to fill

the entire screen.

If you now press @ZOUT, the calculator will zoom out of the current box using the

H- and V-Factors, which may not recover the graph view from which you started

the zoom box operation.

ZDFLT, ZAUTO

Pressing @ZDFLT re-draws the current plot using the default x- and y-ranges, i.e., -

6.5 to 6.5 in x, and –3.1 to 3.1 in y. The command @ZAUTO, on the other hand,

creates a zoom window using the current independent variable (x) range, but

adjusting the dependent variable (y) range to fit the curve (as when you use the

function @AUTO in the PLOT WINDOW input form („ò, simultaneously in

RPN mode).

HZIN, HZOUT, VZIN and VZOUT

These functions zoom in and out the graphics screen in the horizontal or vertical

direction according to the current H- and V-Factors.

CNTR

Zooms in with the center of the zoom window in the current cursor location. The

zooming factors used are the current H- and V-Factors.

ZDECI

Zooms the graph so as to round off the limits of the x-interval to a decimal

value.

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

Weight	220 g
Dimensions (WxDxH)	87 x 184 x 23.5 mm

HP 50G User Manual

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