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E-70
1. Press
N
8
(EQN).
• This displays an initial EQN type menu like the one shown below.
2. Press
1
(aX+bY=c) to select simultaneous linear equations with two unknowns.
• This displays a coeffi cient editor screen like the one shown below. You can use this
screen to input values for the equation’s coeffi cients.
3. Input values for the coeffi cients.
1
E
0.5
E
3
E
2
E
3
E
4
E
X + 0.5Y = 3
2X + 3Y = 4
These values will produce the simultaneous equations shown above.
4. To display the solutions, press
E
.
• This displays the solution for X.
• Use
c
and
f
to switch the display between the solutions for X and Y.
• To exit the solution screen and return to the coeffi cient editor screen, press
J
.