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This will display a solution. Each press of will display another
solution. Pressing while the final solution is displayed will return to
the Coefficient Editor.
A message appears to let you know when there is no solution or when
there are infinite solutions. Pressing or will return to the
Coefficient Editor.
You can assign the currently displayed solution to a variable. While
the solution is displayed, press and then the key that
corresponds to the name of the variable to which you want to assign
it.
To return to the Coefficient Editor while any solution is displayed,
press .
Note: Solutions that include are displayed only when the selected
calculation type is Polynomial.
To change the current equation type setting: Press (Simul
Equation) or (Polynomial), and then press , , or . Changing
the equation type causes the values of all Coefficient Editor coefficients to
change to zero.
Equation/Func Mode Calculation Examples
x + 2y = 3, 2x + 3y = 4
(Simul Equation)
123234
(x=)
(y=)
-1
2
x
2
+ 2x − 2 = 0
(Polynomial)
122
(x
1
=)
(x
2
=)
-1 +
3
-1 −
3
(Displays x-coordinate of local minimum of y = x
2
+ 2x − 2.*)
(x=)
-1
(Displays y-coordinate of local minimum of y = x
2
+ 2x − 2.*)
(y=)
-3
* The x- and y-coordinates of the local minimum (or local maximum) of the
function y = ax
2
+ bx + c are also displayed, but only when a quadratic
equation is selected for the calculation type.
Matrix Calculations
Use the Matrix Mode to perform calculations involving matrices of up to 4
rows by 4 columns. To perform a matrix calculation, use the special matrix
variables (MatA, MatB, MatC, MatD) as shown in the example below.
Example:
21
11
×
2-1
-1 2
1. Press , select the Matrix Mode icon, and then press .
2. Press (MatA)(2 rows)(2 columns).
This will display the Matrix Editor for
input of the elements of the 2 × 2
matrix you specified for MatA.
3. Input the elements of MatA: 2111.
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