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HP 39gs Quick Start Guide

HP 39gs
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Getting Started 47
Getting Started
47
Explorer Aplet starts in the Plot view.
Table 1-12 Quadratic Explorer Aplet Summary
Summary of Functionality View Name and Display
Press PLOT (or the GRPH menu key) to return to this view at any time. In this view, you can
translate and dilate the graph directly and see the resulting effects on the values of the
equation parameters as you manipulate the graph. The equation of the current graph is
displayed, along with the value of the discriminant and the root or roots (if any). The
commands are:
Use the cursor movement keys to translate the graph
Use the + and - keys to dilate the graph
Use the (-) key to reflect the graph over the x-axis
Quadratic Explorer Aplet
In addition to the functionality above, the menu has the following additional features:
SYMB: switches to the Symbolic view
GRPH: switches to Plot view
INC1: a toggle that controls the size of each translation or dilation step. The choices are
0.5, 1, and 2.
LEVEL toggle among various forms of quadratic functions. The choices are:
•y=a(x+h)
2
+v (the default)
•y=ax
2
•y=(x+h)
2
•y=x
2
+v
TEST: enters test mode
RESET: resets the Aplet

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HP 39gs Specifications

General IconGeneral
TypeScientific
Form factorPocket
Product colorGray
Internal memory0.256 MB
Weight and Dimensions IconWeight and Dimensions
Weight249 g
Dimensions (WxDxH)187 x 94 x 31 mm

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