HP 39gs Quick Start Guide

50 Getting Started
Getting Started50
Table 1-13 Trig Explorer Aplet Summary
Summary of Functionality View Name and Display
Press PLOT to return to this view at any time. If needed, press the ORIG menu key to toggle it
to EXTR. You can dilate the graph of sin(x) or cos(x) and see the effect on the equation
parameter(s). The controls are:
• Use the left- and right-cursor keys to dilate the graph with respect to the x-axis
• Use the up- and down-cursor keys to dilate the graph with respect to the y-axis
Trig Explorer with EXTR
In addition to the controls listed above, the menu contains the following items:
• SIN: toggles between sin(x) and cos(x)
• RAD: toggles between radians and degrees
• EXTR/ORIG: toggles between dilating the graph and translating it with the cursor keys
• INCR: choose the increment by which the value of c is increased or decreased
• RESET: reset the Aplet
Trig Explorer with EXTR
Press the EXTR menu key to toggle it to ORIG. Now use the cursor keys to translate the graph
and see the effect on the equation parameters. The controls are:
• Use the left- and right-cursor keys to translate the graph horizontally
• Use the up- and down-cursor keys to translate the graph vertically
Trig Explorer with ORIG

HP 39gs Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Gray
Internal memory	0.256 MB

Weight and Dimensions

Weight	249 g
Dimensions (WxDxH)	187 x 94 x 31 mm