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
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About this Manual
The MATH mark indicates an example that uses Math format,
while the LINE mark indicates Linear format. For details about
input/output formats, see “Specifying the Input/Output Format”.
•Keycap markings indicate what a key inputs or what function it
Example: 1, 2, +, -, !, A, etc.
•Pressing the 1 or S key followed by a second key performs
the alternate function of the second key. The alternate function is
indicated by the text printed above the key.
The following shows what the different colors of the alternate
function key text mean.
If key marking
It means this:
text is this color:
Ye llow
Press 1 and then the key to access
the applicable function.
Press S and then the key to input the
applicable variable, constant, or symbol.
Purple (or enclosed Enter the CMPLX Mode to access the
in purple brackets) function.
Green (or enclosed Enter the BASE-N Mode to access the
in green brackets) function.
•The following shows an example of how an alternate function
operation is represented in this User’s Guide.
Example: 1s(sin
Indicates the function that is accessed by the key
operation (1s) before it. Note that this is not part
of the actual key operation you perform.
Keycap function
Alternate function