Casio fx-570ES - Example SOLVE Operation; Step-by-Step SOLVE Procedure

E-30
•An error (Variable ERROR) occurs when the solution variable is
not included in the expression being solved.
k Example SOLVE Operation
Example: To solve y = ax
2
+ b for x when y = 0, a = 1, and b = –2.
MATH
Sf(Y)Ss(=)Sy(A)
S)(X)w+Se(B)
Math
1)(,)S)(X)
1s(SOLVE)
Math
Prompts for input of a value for Y.
Current value of Y
0=
Math
1=
Math
y2=
Math
Current value of X
=
Math
Solution Screen
•To interrupt an ongoing SOLVE operation, press A.
Precautions when Using SOLVE
• SOLVE may not be able to obtain a solution because of the initial
value (assumed value) of the solution variable. If this happens, try
changing the initial value of the solution variable.