4.4

Out of 8 Ratings

Owner's of the Casio Calculator fx-115ES gave it a score of 4.4 out of 5. Here's how the scores stacked up:
  • Reliability

    4.38 out of 5
  • Durability

    4.5 out of 5
  • Maintenance

    4.38 out of 5
  • Performance

    4.5 out of 5
  • Ease of Use

    4.0 out of 5
of 75
 
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)
1)(,)S)(X)
1s(SOLVE)
Math
Prompts for input of a value for Y.
Current value of Y
0=
Math
1=
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y2=
Math
Current value of X
=
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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.
SOLVE may not be able to determine the correct solution, even
when one exists.
Math