Casio fx-9860GII Quick Reference Guide

Getting Started with the fx-9860GII
EQUATION
This section is an overview of the EQUATION Icon. To select this icon, highlight it and press l
or press f.
The initial Equation Editor screen has three modes to choose from, Simultaneous, Polynomial,
and Solver; this section will give an overview of each mode.
The Simultaneous mode allows you to solve simultaneous linear equations that contain two to
six unknowns.
1. Solve the following system of equations:

Press q to select the Simultaneous mode and press w for three unknowns. The calculator
will display a matrix where the coefcients and constants can be entered in to as long as each
equation is in standard form. To enter this system of equations (already in standard form) input
the following:
 • 4 l 1 l n 2 l n 1 l
• 1 l 6 l 3 l 1 l
• n 5 l 4 l 1 l n 7 l
There are four options at the bottom of the screen, press q (SOLV). The solution to this system is (1,-1,2).

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Casio fx-9860GII Specifications

General

Type	Graphing
Form factor	Desktop
Control type	Buttons
Product color	Silver
Housing material	Plastic
Built-in capability	Yes
Digits	- digits
Display type	LCD
Second display	No
Display tilting	-
Display resolution	64 x 128 pixels
Display character size	8 x 21 mm
Display number of lines	8 lines
Display number of characters	21
Flash memory	1.5 MB
RAM capacity	0.064 MB
Storage media type	Flash
Battery type	AAA
Power source	Battery
Number of batteries supported	4