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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k Displaying the Location of an Error
If an error message (like “Math ERROR” or “Syntax ERROR”)
appears when you press =, press d or e. This will display the
part of the calculation where the error occurred, with the cursor
positioned at the error location. You can then make necessary
Example: When you input 14 ÷ 0 × 2 = by mistake instead of 14 ÷
10 × 2 =
Use the insert mode for the following operation.
Press e or d.
This is causing the error.
You can also exit the error screen by pressing A, which clears the
k Inputting with Math Format
When inputting with Math format, you can input and display fractions
and some functions using the same format as they appear in your
•Certain types of expressions can cause the height of a calculation
formula to be greater than one display line. The maximum allowable
height of a calculation formula is two display screens (31 dots × 2).
Further input will become impossible if the height of the calculation
you are inputting exceeds the allowable limit.
•Nesting of functions and parentheses is allowed. Further input will
become impossible if you nest too many functions and/or
parentheses. If this happens, divide the calculation into multiple
parts and calculate each part separately.