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20011101
7-3-8
Tutorial Mode
k
Auto Mode
Press
6
(AUTO) to enter the Auto Mode.
In the Simultaneous Equation Mode, you must also select SBSTIT (Substitution Method) or
ADD-SU (Addition/Subtraction Method).
The Substitution Method first transforms the equation to the format Y = aX + b, and
substitutes aX + b for Y*
1
in the other equation.
The Addition/Subtraction Method multiplies both sides of the expression by the same value
to isolate the coefficient X (or Y).
As with the Algebra Mode, the screen is divided between an input area and a display area.
Each press of
6
(NEXT) advances to the next step.
6
(NEXT) is not shown on the display
when the solution is obtained.
You can scroll back through the steps by pressing
1
(BACK).
○ ○ ○ ○ ○
Example
To solve 4X = 8 in the Auto Mode
(Linear Equation)(AX = B)
2
(INPUT)
e
w
i
w6
(EXE)
6
(AUTO)
6
(NEXT)
6
(NEXT)
*
1
You can press
5
(ADD SU) at any time to
switch from Substitution Method to Addition /
Subtraction Method.
# See 7-1-8 for information about graph functions.
Summary of Contents for ALGEBRA FX 2.0 Plus
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