Casio FX-570MS-2

User Manual - Page 57

For FX-570MS-2.

PDF File Manual, 76 pages, Download pdf file

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Use this screen to specify 2 (quadratic) or 3 (cubic) as the degree of the
equation, and input values for each of the coefficients.
(1) Coefficient name
(2) Element value
(3) Arrow indicates direction you should scroll to view other elements.
Any time until you input a value for the final coefficient ( c for a
quadratic equation,
d
for a cubic equation), you can use the and
keys to move between coefficients on the screen and make
changes, if you want.
Note that you cannot input complex numbers for coefficients.
Calculation starts and one of the solutions appears as soon as you input a
value for the final coefficient.
(1) Variable name
(2) Solution
(3) Arrow indicates direction you should scroll to view other solutions.
Press the key to view other solutions. Use and to scroll
between all of the solutions for the equation.
Pressing the key at this point returns to the coefficient input
screen.
Certain coefficients can cause calculation to take more time.
Example 1: To solve the equation
x
3
- 2
x
2
-
x
+ 2 = 0 (
x
= 2, -1, 1)
(Degree?) 3
( a ?) 1
(
b ?)
2
( c ?) 1
( d ?) 2
( x 1 = 2)
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