HP 39gs Quick Start Guide

44 Getting Started
Getting Started44
Table 1-10 Linear Solver Aplet Summary
Summary of Functionality View Name and Display
Use this view to enter values for the parameters of each linear equation and view the
solution results below the equations. The menu items are:
• EDIT: edit the value of a parameter
• 2x2: solve a 2x2 system of 2 linear equations in 2 variables
• 3x3: solve a 3x3 system of 3 linear equations in 3 variables
Linear Equation Solver
Example
Find the solution of the linear system:
5x + 2y = 8
3x - y = 7
Example 1
Solution
Press the 2x2 menu key to switch and enter the parameters of the first equation, as shown in
the figure to the right, then enter the parameters of the second equation. As you enter the
values, the solution statement updates in real time. When you are done, the solution is
shown as x=2 and y=-1.
Example Solution

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