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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Using Calculation History
Memory and Replay
Calculation history memory maintains a record of each calculation
expression you input and execute, and its result.
Modes that support calculation history memory:
COMP (N1), CMPLX (N2), BASE-N (N4)
Recalling Calculation History Memory Contents
Press f to back-step through calculation history memory contents.
Calculation history memory shows both calculation expressions and
Note that calculation history memory contents are cleared
whenever you turn off the calculator, press the O key, change to
the calculation mode or the input/output format, or perform any
reset operation.
•Calculation history memory is limited. When the calculation you
are performing causes calculation history memory to become full,
the oldest calculation is deleted automatically to make room for
the new calculation.
Replay Function
While a calculation result is on the display, you can press A and
then d or e to edit the expression you used for the previous
calculation. If you are using Linear format, you can display the
expression by pressing d or e, without pressing A first.
Appendix <#014>